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TABLE 7
ELECTRONIC RESOURCES AND MATERIALS EXPENDITURES IN ARL UNIVERSITY LIBRARIES,1992-2005
1992-93 1993-94 1994-95 1995-96 1996-97 1997-98 1998-99 1999-2000* 2000-01 2001-02* 2002-03 2003-04 2004-05
a. Computer File Expenditures (monographic/onetime)
Total 14,147,625 20,132,553 22,030,727 24,639,822 8,013,055 11,189,103 10,848,219 14,727,984 15,297,096 16,748,194 23,275,683 32,098,404 38,744,076 
Average 172,532 236,854 247,536 262,126 87,098 122,957 121,890 161,846 159,345 167,482 225,978 314,690 372,539 
Median 148,158 212,936 217,988 219,178 47,932 52,311 54,024 98,657 72,070 82,566 111,266 191,148 210,576 
N 85 89 94 92 91 89 91 96 100 103 102 104 
b. Electronic Serial Expenditures 
Total N/A N/A 11,847,577 15,170,971 40,956,696 49,497,141 67,124,554 84,343,868 117,415,618 154,418,679 205,300,292 269,601,241 328,166,027 
Average N/A N/A 188,057 194,500 401,536 494,971 639,281 818,873 1,118,244 1,429,803 1,849,552 2,450,920 3,038,574 
Median N/A N/A 156,754 172,805 355,922 426,722 571,790 736,317 992,067 1,272,965 1,649,361 2,348,463 2,824,962 
N 63 78 102 100 105 103 105 108 111 110 108 
c. Total Electronic Resources (Total a+b) 
Total 14,147,625 20,132,553 33,878,304 39,810,793 50,512,984 60,686,244 77,972,773 99,071,852 132,712,714 171,166,873 228,575,974 301,699,645 366,910,103 
Average 172,532 236,854 349,261 394,166 485,702 594,963 742,598 943,541 1,252,007 1,556,062 2,059,243 2,718,015 3,366,147 
Median 148,158 212,936 278,404 332,128 420,741 495,011 645,495 931,210 1,129,298 1,377,874 1,775,865 2,705,847 3,144,841 
N 82 85 97 101 104 102 105 105 106 110 111 111 109 
Total Library Materials Expenditures 28 
Total 393,271,073 425,287,651 526,496,347 571,145,986 642,123,715 664,600,663 727,623,160 773,321,519 828,778,808 910,930,849 950,275,167 1,016,121,605 1,031,619,722 
Average 4,795,989 5,003,384 5,427,797 5,654,911 6,174,266 6,515,692 6,929,744 7,364,967 7,818,668 8,281,189 8,561,038 9,154,249 9,464,401 
Median 4,242,887 4,527,122 4,714,384 4,975,353 5,529,606 5,643,070 5,991,177 6,545,146 7,028,134 7,566,727 7,707,153 8,276,175 8,662,668 
N 82 85 97 101 104 102 105 105 106 110 111 111 109 
Electronic Resources Expenditures as a Percent of Total Materials Expenditures 
Average 3.60 4.75 6.39 6.83 7.76 8.85 10.56 12.88 16.25 19.60 25.02 31.33 37.46 
Median N/A 4.45 5.33 6.42 7.51 8.29 10.18 12.75 14.80 18.15 22.01 29.81 37.53 
N 82 85 97 101 104 102 105 105 106 110 111 111 109 
Expenditures for Bibliographic Utilities, Networks, etc. (External) 
Total N/A N/A N/A N/A $3,827,348 4,695,737 7,442,962 9,523,348 14,655,078 20,373,560 21,470,716 17,420,520 16,082,790+
Average N/A N/A N/A N/A $136,691 142,295 201,161 250,614 311,810 424,449 438,178 335,010 349,626+
Median N/A N/A N/A N/A $120,096 128,795 145,280 204,598 198,289 336,690 250,000 94,837 149,396+
N 28 33 37 38 47 48 49 52 46+
28
Figures  reflect   Materials   Expenditures   only   from   those   institutions   that   reported   nonzero   figures   for   Total   Electronic   Resources.  
*In     a recent   review   of   past   Supplementary   Statistics   data,   some   figures   previously   published   in   these   columns   were   found   to   be   incorrect   and   subsequently   revised.  
Includes   only   nonzero   responses,   to   be   consistent   with   past   Supplementary   Statistics   reporting.    Statistics   that   include   zeroes   can   be   found   on   page   51.  
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