Research Library Trends Tables and Graphs · 21
Table 7b
Electronic Resources and Materials Expenditures in ARL University Libraries, 2002–2009
2002–2003 2003–2004 2004–2005 2005–2006 2006–2007 2007–2008 2008–2009
a. Computer File Expenditures (monographic/onetime)
Total $23,275,683 $32,098,404 $38,744,076 $48,793,981 $59,808,658 $73,102,024 $69,148,203
Average $225,978 $314,690 $372,539 $478,372 $558,959 $676,574 $628,620
Median $111,266 $191,148 $210,576 $336,338 $352,802 $410,202 $363,746
N 103 102 104 102 107 108 110
b. Electronic Serial Expenditures
Total $205,300,292 $269,601,241 $328,166,027 $383,127,163 $476,225,086 $554,637,844 $637,458,376
Average $1,849,552 $2,450,920 $3,038,574 $3,547,474 $4,290,316 $5,042,162 $5,691,593
Median $1,649,361 $2,348,463 $2,824,962 $3,349,709 $4,240,530 $4,899,366 $5,337,237
N 111 110 108 108 111 110 112
c. Total Electronic Resources (Total a+b)
Total $228,575,974 $301,699,645 $366,910,103 $431,921,144 $536,033,744 $627,707,869 $706,606,579
Average $2,059,243 $2,718,015 $3,366,147 $3,962,579 $4,786,016 $5,655,026 $6,253,156
Median $1,775,865 $2,705,847 $3,144,841 $3,792,873 $4,661,123 $5,410,421 $5,854,147
N 111 111 109 109 112 111 113
Total Library Materials Expenditures*
Total $950,275,167 $1,016,121,605 $1,031,619,722 $1,109,340,878 $1,213,082,817 $1,279,690,962 $1,315,122,261
Average $8,561,038 $9,154,249 $9,464,401 $10,177,439 $10,831,097 $11,528,747 $11,638,250
Median $7,707,153 $8,276,175 $8,662,668 $9,156,974 $9,597,677 $10,416,077 $10,364,778
N 111 111 109 109 112 111 113
Electronic Resources Expenditures as a Percent of Total Materials Expenditures
Average 25.02 31.33 37.46 40.93 46.55 51.46 56.33
Median 22.01 29.81 37.53 43.14 47.68 53.06 57.03
N 111 111 109 109 112 111 113
Expenditures for Bibliographic Utilities, Networks, etc. (External)
Total $21,470,716 $17,420,520 $16,082,790 $15,930,476 $18,931,797 $21,079,241 $21,695,047
Average $438,178 $335,010 $349,626 $318,610 $225,379 $242,290 $235,816
Median $250,000 $94,837 $149,396 $143,649 $33,247 $54,750 $44,745
N 49 52 46 50 84 87 92
*Figures reflect Materials Expenditures only from those institutions that reported nonzero figures for Total Electronic Resources. The 2006–2007
and 2007–2008 figures have been revised.
Table 7b
Electronic Resources and Materials Expenditures in ARL University Libraries, 2002–2009
2002–2003 2003–2004 2004–2005 2005–2006 2006–2007 2007–2008 2008–2009
a. Computer File Expenditures (monographic/onetime)
Total $23,275,683 $32,098,404 $38,744,076 $48,793,981 $59,808,658 $73,102,024 $69,148,203
Average $225,978 $314,690 $372,539 $478,372 $558,959 $676,574 $628,620
Median $111,266 $191,148 $210,576 $336,338 $352,802 $410,202 $363,746
N 103 102 104 102 107 108 110
b. Electronic Serial Expenditures
Total $205,300,292 $269,601,241 $328,166,027 $383,127,163 $476,225,086 $554,637,844 $637,458,376
Average $1,849,552 $2,450,920 $3,038,574 $3,547,474 $4,290,316 $5,042,162 $5,691,593
Median $1,649,361 $2,348,463 $2,824,962 $3,349,709 $4,240,530 $4,899,366 $5,337,237
N 111 110 108 108 111 110 112
c. Total Electronic Resources (Total a+b)
Total $228,575,974 $301,699,645 $366,910,103 $431,921,144 $536,033,744 $627,707,869 $706,606,579
Average $2,059,243 $2,718,015 $3,366,147 $3,962,579 $4,786,016 $5,655,026 $6,253,156
Median $1,775,865 $2,705,847 $3,144,841 $3,792,873 $4,661,123 $5,410,421 $5,854,147
N 111 111 109 109 112 111 113
Total Library Materials Expenditures*
Total $950,275,167 $1,016,121,605 $1,031,619,722 $1,109,340,878 $1,213,082,817 $1,279,690,962 $1,315,122,261
Average $8,561,038 $9,154,249 $9,464,401 $10,177,439 $10,831,097 $11,528,747 $11,638,250
Median $7,707,153 $8,276,175 $8,662,668 $9,156,974 $9,597,677 $10,416,077 $10,364,778
N 111 111 109 109 112 111 113
Electronic Resources Expenditures as a Percent of Total Materials Expenditures
Average 25.02 31.33 37.46 40.93 46.55 51.46 56.33
Median 22.01 29.81 37.53 43.14 47.68 53.06 57.03
N 111 111 109 109 112 111 113
Expenditures for Bibliographic Utilities, Networks, etc. (External)
Total $21,470,716 $17,420,520 $16,082,790 $15,930,476 $18,931,797 $21,079,241 $21,695,047
Average $438,178 $335,010 $349,626 $318,610 $225,379 $242,290 $235,816
Median $250,000 $94,837 $149,396 $143,649 $33,247 $54,750 $44,745
N 49 52 46 50 84 87 92
*Figures reflect Materials Expenditures only from those institutions that reported nonzero figures for Total Electronic Resources. The 2006–2007
and 2007–2008 figures have been revised.
