ARL Statistics 2006-2007

Kyrillidou, Martha; Bland, Les

Research Library Trends · 13
Graph 3
Supply and Demand in ARL Libraries, 1986–2007*

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ARL Statistics 2006-2007 resources

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Research Library Trends · 13
Graph 3
Supply and Demand in ARL Libraries, 1986–2007*

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14 · ARL Statistics 2006–2007
Table 4
Expenditure Trends in ARL Libraries, 1986–2007
Median Values for Time-Series Trends—Unadjusted dollar figures
Year Library
Materials
Serial
Exp.
Monograph
Exp.
Total
Salary
Operating
Exp.
Total CPI
(Libraries) (105) (100) (97) (104) (104) (105)
1986 2,705,297 1,496,775 1,120,645 4,011,436 1,111,914 8,361,092 109.6
1987 3,058,479 1,769,960 1,064,484 4,361,646 1,180,167 8,990,001 113.6
1988 3,369,896 1,947,559 1,141,226 4,618,335 1,198,674 9,557,623 118.3
1989 3,577,405 2,113,976 1,106,073 5,236,292 1,364,558 10,183,315 124.0
1990 3,903,358 2,296,910 1,330,747 5,469,333 1,386,618 11,241,022 130.7
1991 4,064,344 2,548,687 1,400,738 5,885,814 1,445,735 11,990,794 136.2
1992 4,156,510 2,620,832 1,353,865 6,050,222 1,390,245 12,249,150 140.3
1993 4,316,674 2,918,569 1,295,807 5,962,470 1,561,122 12,265,696 144.5
1994 4,572,276 2,912,495 1,309,807 6,047,803 1,676,701 12,767,348 148.2
1995 4,715,203 3,131,033 1,365,575 6,312,770 1,853,586 13,171,893 152.4
1996 5,126,482 3,389,118 1,444,015 6,664,021 1,997,233 13,870,378 156.9
1997 5,562,742 3,642,541 1,460,234 6,893,582 2,039,957 14,526,674 160.5
1998 5,795,223 3,816,497 1,486,764 7,163,979 2,072,903 15,329,371 163.0
1999 6,232,365 4,095,934 1,506,651 7,476,532 2,069,887 16,737,261 166.6
2000 6,744,281 4,430,812 1,657,349 7,811,403 1,991,852 17,221,441 172.2
2001 7,322,507 4,660,349 1,864,023 8,106,666 2,280,493 17,620,048 177.5
2002 7,599,249 4,939,225 1,812,826 8,488,255 2,136,616 18,456,038 180.1
2003 8,273,171 5,392,007 1,873,157 8,813,191 2,073,913 19,030,188 183.9
2004 8,286,431 5,580,157 1,839,412 9,015,741 2,274,878 19,953,776 189.4
2005 8,801,962 5,962,446 1,784,841 9,268,364 2,243,592 20,663,012 195.4
2006 9,174,734 6,307,292 2,044,272 9,647,695 2,540,171 21,694,210 203.5
2007 9,600,793 6,587,241 2,097,078 9,940,406 2,549,139 22,810,227 208.3
Average annual
%change
6.5% 7.3% 3.0% 4.4% 4.0% 4.9% 3.1%
Operating expenditures, including many automation expenditures, have doubled since 1986, but during the last five
years have remained at relatively stable levels of investment. The total salary expenditures median has increased only
slightly over the past four years. Monograph expenditures continue to increase. The annual consumer price index
(CPI), included in Graph 4, provides a comparative reference for the increases in library expenditures.

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ARL Statistics 2006-2007 resources

12 · ARL Statistics 2006–2007
Table 3
Supply and Demand in ARL Libraries, 1986–2007
Median Values for Time-Series Trends
Year ILL:
Borrowed
ILL:
Lent
Graduate
Students
Teaching
Faculty
Total
Students
Monographs
Purchased
(Libraries) (103) (103) (104) (101) (103) (58)
1986 7,047 16,092 2,327 1,124 16,684 32,679
1987 7,387 16,318 3,078 1,195 17,029 26,240
1988 7,881 17,476 3,251 1,222 17,485 25,238
1989 8,547 19,638 3,312 1,285 17,866 27,082
1990 9,595 20,837 3,314 1,278 17,745 27,546
1991 10,397 23,285 3,310 1,295 18,290 27,843
1992 11,362 22,514 3,539 1,356 18,273 26,947
1993 12,489 22,740 3,745 1,281 18,450 25,188
1994 14,007 24,039 3,794 1,289 18,305 25,341
1995 14,472 24,864 3,914 1,308 18,209 25,707
1996 15,278 25,720 3,904 1,251 18,320 25,911
1997 16,264 25,463 3,942 1,263 18,166 28,576
1998 17,656 27,223 3,880 1,247 18,335 24,447
1999 18,942 26,837 3,933 1,255 18,609 25,173
2000 20,475 27,044 3,844 1,239 18,908 28,024
2001 21,902 28,950 4,159 1,279 19,102 30,494
2002 21,339 29,021 4,067 1,251 19,925 31,578
2003 22,146 33,421 4,167 1,268 21,132 33,208
2004 25,737 33,934 4,461 1,369 21,562 30,155
2005 25,729 36,325 4,595 1,355 22,047 30,546
2006 27,412 36,035 4,647 1,388 22,618 33,145
2007 26,813 35,838 4,709 1,451 22,874 36,462
Average annual
%change
6.6% 3.9% 3.4% 1.2% 1.5% 0.5%
Interlibrary borrowing and lending, which showed a marked growth in the last decade, seem to be declining.
Monographs purchased are above 1986 levels for the third time in the last 22 years.

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