ARL Statistics 2008-2009

Kyrillidou, Martha; Morris, Shaneka

Research Library Trends Tables and Graphs · 7
Research Library Trends Tables and Graphs

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Page ARL Statistics 2008–2009 frontmatter
Page 5Research Library Trends click to expand contents
- Page 5Research Library Trends
- Page 7Research Library Trends Tables and Graphs click to expand contents
  
  Page 7Research Library Trends Tables and Graphs
  
  Page 8Table 1 Service Trends in ARL Libraries, 1991–2009
  
  Page 9Graph 1 Service Trends in ARL Libraries, 1991–2009
  
  Page 10Table 2 Monograph and Serial Expenditures in ARL Libraries, 1986–2009
  
  Page 11Graph 2 Monograph and Serial Expenditures in ARL Libraries, 1986–2009*
  
  Page 12Table 3 Supply and Demand in ARL Libraries, 1986–2009
  
  Page 13Graph 3 Supply and Demand in ARL Libraries, 1986–2009*
  
  Page 14Table 4 Expenditure Trends in ARL Libraries, 1986–2009
  
  Page 15Graph 4 Expenditure Trends in ARL Libraries, 1986–2009
  
  Page 16Table 5 Resources per Student in ARL University Libraries, 1986–2009
  
  Page 17Graph 5 Resources per Student in ARL University Libraries, 1986–2009
  
  Page 18Table 6 Electronic Resources Expenditures in ARL University Libraries, 2008–2009
  
  Page 19Graph 6 Electronic Resources vs. Total Materials Expenditures, 1993–2009
  
  Page 20Table 7a Electronic Resources and Materials Expenditures in ARL University Libraries, 1992–2002
  
  Page 21Table 7b Electronic Resources and Materials Expenditures in ARL University Libraries, 2002–2009
Page 22ARL Statistics® Interactive Analytics
Page 23ARL Library Data Tables click to expand contents
Page 64Analysis of Selected Variables of University Libraries, 2008–2009
Page 65PhD, Faculty, and Enrollment Statistics click to expand contents
- Page 65PhD, Faculty, and Enrollment Statistics
- Page 68Summary Data
Page 69Rank Order Tables of University Libraries 2008–2009 click to expand contents
Page 97ARL Statistics Questionnaire 2008-2009
Page 105ARL Statistics Worksheet 2008-2009
Page 111Footnotes
Page 163ARL Member Libraries as of January 1, 2010
Page 167Bibliography

ARL Statistics 2008-2009 resources

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Research Library Trends Tables and Graphs · 7
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8 · ARL Statistics 2008–2009
Table 1
Service Trends in ARL Libraries, 1991–2009
Median Values for Time-Series Trends
Year ILL:
Borrowed
Group
Pres.
Participants
In Pres.
Reference
Trans.
Initial
Circ.
Total
Circ.
Ratio of
Init./Tot.
Total
Staff
Total
Students
(Libraries) (103) (84) (82) (79) (36) (80) (34) (105) (103)
1991 10,397 508 7,137 125,103 296,964 509,673 1.26 271 18,290
1992 11,362 526 7,154 132,549 342,989 554,579 1.27 265 18,273
1993 12,489 616 7,688 136,115 343,293 568,628 1.32 262 18,450
1994 14,007 568 7,831 147,582 369,996 572,749 1.31 264 18,305
1995 14,472 687 8,461 147,023 347,144 578,989 1.32 267 18,209
1996 15,278 719 8,410 155,336 336,481 560,244 1.39 264 18,320
1997 16,264 687 9,218 149,659 348,157 542,438 1.37 273 18,166
1998 17,656 698 9,462 132,850 354,924 514,574 1.37 273 18,335
1999 18,942 711 9,406 128,696 300,923 514,087 1.38 277 18,609
2000 20,475 722 9,596 115,636 273,231 482,542 1.42 267 18,908
2001 21,902 669 10,121 104,409 265,195 467,277 1.48 269 19,102
2002 21,339 776 11,350 95,910 251,146 462,223 1.51 279 19,925
2003 22,146 806 12,516 89,150 248,689 479,733 1.57 277 21,132
2004 25,737 757 12,864 84,546 261,526 496,369 1.60 273 21,562
2005 25,729 803 13,782 65,168 250,971 473,216 1.58 267 22,047
2006 27,412 833 13,051 67,697 267,213 466,403 1.52 267 22,618
2007 26,813 830 14,417 61,703 222,037 456,597 1.59 266 22,874
2008 27,822 803 15,480 58,763 221,144 429,626 1.59 260 22,762
2009 28,187 877 14,958 55,416 218,191 414,482 1.64 249 23,303
Average annual
%change
5.7% 3.1% 4.2% -4.4% -1.7% -1.1% 1.5% -0.5% 1.4%
Table 1 presents data about select public service activities such as circulation (initial and total), reference transactions, library
instruction (group presentations and participants in these presentations), and interlibrary borrowing and lending. As seen
in table 1, for the first time in three years, the median of group presentations increased. However, the number of participants
decreased with a median of 14,958 for the typical research library. Perhaps what is of most interest is that by 2009 there
were more than double the participants compared to 1991, while there is only a 27% difference in the number of students
between 1991 and 2009 (see Graph 1). Graph 1 shows that, cumulatively, total staff decreased by 8% in 2009, which is double
the cumulative decrease reported in 2008. Even with continued decreases in total staff, the median of group presentations
increased in 2009.

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ARL Statistics 2008-2009 resources

6 · ARL Statistics 2008–2009
Change in Counting Serials
For the third year in a row libraries have been instructed to count and report serial titles in the ARL Statistics, rather than
subscriptions. As a result, the trend line of publishing serial cost per subscription has been discontinued, and eventually
a trend line reflecting the new approach to counting serials will emerge as we aggregate annual data on serial titles. This
simple shift is very important as it makes the concept of serials more meaningful in the electronic environment.
In the electronic environment, once a library owns or leases a title, the title is often accessible by all users. Therefore,
unique titles, rather than subscriptions, is a more authentic descriptive statistic for the scope and content of library
collections. A unique title count favors broader coverage. Any duplication of those titles through packages, aggregations,
bundles, etc., becomes more a management issue. The new definition asks that serial titles be reported as electronic
if available both in print and electronic formats and that they be reported as purchased if available both through
purchased and non-purchased arrangements. So, if a serial title appears in both print and electronic form and a library
has acquired it through several different providers, it would be counted as one serial title. Training materials have been
posted on the ARL website to ensure that there is a well-grounded, shared understanding of the new definitions and
counting methodology.
What prompted this change? In earlier years libraries were instructed to report the “total number of subscriptions,
not titles, but electronic serials acquired as part of an aggregated package (such as MUSE or Academic’s IDEAL) were
to be counted by title”. Directors and other staff expressed concern that the serials count was problematic because
many libraries engage in multiple consortia arrangements. Counting serials purchased through a bevy of consortial
agreements could lead to inflated figures because duplicate titles could be held in multiple packages. The Statistics
and Assessment Committee determined that a new way of counting serials that focuses on titles would provide better
descriptive data reflecting the true scope of the content provided by research libraries. A pilot at various ARL libraries
demonstrated the feasibility of the new method.
The shift from counting subscriptions to counting titles further supports ARL’s goal of reporting collectable, useful data
in the ARL Statistics. Libraries are reporting more serials titles than they ever managed to report by simply counting
serial subscriptions. Although the aforementioned positive outcome demonstrates the success of this semantic and
methodological shift, all earlier trend lines that were based on serial subscriptions had to be deleted from the publication
in order to bring the graphs in line with the new definition and counting methodology. A variety of resources have been
developed for libraries to consult as they implement this change, and they are available on the ARL Website at
http://www.arl.org/stats/annualsurveys/arlstats/09statmail.shtml.
In 2007–2008, we changed the categories of serials reported under “serials titles currently received but not purchased.”
The subcategories are now: (a) consortial, (b) freely accessible, (c) print (and other formats) -exchanges, gifts, etc., and
(d) government documents. These categories are more meaningful in the context of “serials titles received,” as they
emphasize major components of that concept.

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Page 5Research Library Trends click to expand contents

Page 7Research Library Trends Tables and Graphs click to expand contents

Page 23ARL Library Data Tables click to expand contents

Page 24Collections: Volumes and Monographs click to expand contents

Page 28Collections: Current Serials click to expand contents

Page 36Collections: Other Materials click to expand contents

Page 40Expenditures click to expand contents

Page 48Electronic Resources Expenditures click to expand contents

Page 56Personnel and Public Services click to expand contents

Page 65PhD, Faculty, and Enrollment Statistics click to expand contents

Page 69Rank Order Tables of University Libraries 2008–2009 click to expand contents

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