Research Library Trends Tables and Graphs · 21
Table 7b
Electronic Resources and Materials Expenditures in ARL University Libraries, 2002–2008
2002–2003 2003–2004 2004–2005 2005–2006 2006–2007 2007–2008
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
Average $225,978 $314,690 $372,539 $478,372 $558,959 $676,574
Median $111,266 $191,148 $210,576 $336,338 $352,802 $410,202
N 103 102 104 102 107 108
b. Electronic Serial Expenditures
Total $205,300,292 $269,601,241 $328,166,027 $383,127,163 $476,225,086 $554,637,844
Average $1,849,552 $2,450,920 $3,038,574 $3,547,474 $4,290,316 $5,042,162
Median $1,649,361 $2,348,463 $2,824,962 $3,349,709 $4,240,530 $4,899,366
N 111 110 108 108 111 110
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
Average $2,059,243 $2,718,015 $3,366,147 $3,962,579 $4,786,016 $5,655,026
Median $1,775,865 $2,705,847 $3,144,841 $3,792,873 $4,661,123 $5,410,421
N 111 111 109 109 112 111
Total Library Materials Expenditures*
Total $950,275,167 $1,016,121,605 $1,031,619,722 $1,109,340,878 $1,219,796,179 $1,290,575,224
Average $8,561,038 $9,154,249 $9,464,401 $10,177,439 $10,794,656 $11,421,020
Median $7,707,153 $8,276,175 $8,662,668 $9,156,974 $9,594,560 $10,388,129
N 111 111 109 109 113 113
Electronic Resources Expenditures as a Percent of Total Materials Expenditures
Average 25.02 31.33 37.46 40.93 46.55 51.46
Median 22.01 29.81 37.53 43.14 47.68 53.06
N 111 111 109 109 112 111
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
Average $438,178 $335,010 $349,626 $318,610 $225,379 $242,290
Median $250,000 $94,837 $149,396 $143,649 $33,247 $54,750
N 49 52 46 50 84 87
*Figures reflect Materials Expenditures only from those institutions that reported nonzero figures for Total Electronic Resources.
Table 7b
Electronic Resources and Materials Expenditures in ARL University Libraries, 2002–2008
2002–2003 2003–2004 2004–2005 2005–2006 2006–2007 2007–2008
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
Average $225,978 $314,690 $372,539 $478,372 $558,959 $676,574
Median $111,266 $191,148 $210,576 $336,338 $352,802 $410,202
N 103 102 104 102 107 108
b. Electronic Serial Expenditures
Total $205,300,292 $269,601,241 $328,166,027 $383,127,163 $476,225,086 $554,637,844
Average $1,849,552 $2,450,920 $3,038,574 $3,547,474 $4,290,316 $5,042,162
Median $1,649,361 $2,348,463 $2,824,962 $3,349,709 $4,240,530 $4,899,366
N 111 110 108 108 111 110
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
Average $2,059,243 $2,718,015 $3,366,147 $3,962,579 $4,786,016 $5,655,026
Median $1,775,865 $2,705,847 $3,144,841 $3,792,873 $4,661,123 $5,410,421
N 111 111 109 109 112 111
Total Library Materials Expenditures*
Total $950,275,167 $1,016,121,605 $1,031,619,722 $1,109,340,878 $1,219,796,179 $1,290,575,224
Average $8,561,038 $9,154,249 $9,464,401 $10,177,439 $10,794,656 $11,421,020
Median $7,707,153 $8,276,175 $8,662,668 $9,156,974 $9,594,560 $10,388,129
N 111 111 109 109 113 113
Electronic Resources Expenditures as a Percent of Total Materials Expenditures
Average 25.02 31.33 37.46 40.93 46.55 51.46
Median 22.01 29.81 37.53 43.14 47.68 53.06
N 111 111 109 109 112 111
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
Average $438,178 $335,010 $349,626 $318,610 $225,379 $242,290
Median $250,000 $94,837 $149,396 $143,649 $33,247 $54,750
N 49 52 46 50 84 87
*Figures reflect Materials Expenditures only from those institutions that reported nonzero figures for Total Electronic Resources.
