23
     
TABLE 7B 
ELECTRONIC RESOURCES AND MATERIALS EXPENDITURES IN ARL UNIVERSITY LIBRARIES,2002-2006
 
2002-03 2003-04 2004-05 2005-06
a. Computer File Expenditures (monographic/onetime)
Total $23,275,683 $32,098,404 $38,744,076  $48,793,981
Average $225,978 $314,690 $372,539  $478,372
Median $111,266 $191,148 $210,576  $336,338
N 103 102 104  102
b. Electronic Serial Expenditures
Total $205,300,292 $269,601,241 $328,166,027  $383,127,163
Average $1,849,552 $2,450,920 $3,038,574  $3,547,474
Median $1,649,361 $2,348,463 $2,824,962  $3,349,709
N 111 110 108  108
c. Total Electronic Resources (Total a+b)
Total $228,575,974 $301,699,645 $366,910,103  $431,921,144
Average $2,059,243 $2,718,015 $3,366,147  $3,962,579
Median $1,775,865 $2,705,847 $3,144,841  $3,792,873
N 111 111 109  109
Total Library Materials Expenditures** 
Total $950,275,167 $1,016,121,605 $1,031,619,722  $1,109,340,878
Average $8,561,038 $9,154,249 $9,464,401  $10,177,439
Median $7,707,153 $8,276,175 $8,662,668  $9,156,974
N 111 111 109  109
Electronic Resources Expenditures as a Percent of Total Materials Expenditures
Average 25.02 31.33 37.46  40.93
Median 22.01 29.81 37.53  43.14
N 111 111 109  109
Expenditures for Bibliographic Utilities, Networks, etc. (External)
+
Total $21,470,716 $17,420,520 $16,082,790+ $15,930,476
Average $438,178 $335,010 $349,626+ $318,610
Median $250,000 $94,837 $149,396+ $143,649
N 49 52 46+ 50
** Figures reflect Materials Expenditures only from those institutions that
reported nonzero figures for Total Electronic Resources.
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