10 · ARL Statistics 2006–2007
TabLe 2
Median MonogRaph
and
seRiaL expendiTuRes
in
aRL LibRaRies, 1986–2007
Median Values for Time-Series Trends
Year Serial
Expenditures
Monograph
Unit Cost
Monograph
Expenditures
Monographs
Purchased
(Libraries) (100) (57) (97) (58)
1986 $ 1,496,775 $ 29.28 $ 1,120,645 32,679
1987 $ 1,769,960 $ 31.76 $ 1,064,484 26,240
1988 $ 1,947,559 $ 36.03 $ 1,141,226 25,238
1989 $ 2,113,976 $ 38.44 $ 1,106,073 27,082
1990 $ 2,296,910 $ 41.44 $ 1,330,747 27,546
1991 $ 2,548,687 $ 42.60 $ 1,400,738 27,843
1992 $ 2,620,832 $ 44.14 $ 1,353,865 26,947
1993 $ 2,918,569 $ 43.74 $ 1,295,807 25,188
1994 $ 2,912,495 $ 44.72 $ 1,309,807 25,341
1995 $ 3,131,033 $ 45.27 $ 1,365,575 25,707
1996 $ 3,389,118 $ 46.73 $ 1,444,015 25,911
1997 $ 3,642,541 $ 46.42 $ 1,460,234 28,576
1998 $ 3,816,497 $ 47.59 $ 1,486,764 24,447
1999 $ 4,095,934 $ 47.78 $ 1,506,651 25,173
2000 $ 4,430,812 $ 47.87 $ 1,657,349 28,024
2001 $ 4,660,349 $ 48.48 $ 1,864,023 30,494
2002 $ 4,939,225 $ 50.61 $ 1,812,826 31,578
2003 $ 5,392,007 $ 52.83 $ 1,873,157 33,208
2004 $ 5,580,157 $ 51.36 $ 1,839,412 30,155
2005 $ 5,962,446 $ 53.57 $ 1,784,841 30,546
2006 $ 6,307,292 $ 52.04 $ 2,044,272 33,145
2007 $6,587,241 $ 54.17 $2,097,078 36,462
Average annual
% change
7.3% 3.0% 3.0% 0.5%
Note that Table 2 and Graph 2 have been revised since 2005–2006 and no longer include Serial Unit Cost or Serial
Subscriptions. Beginning with 2006–2007, ARL libraries are reporting unduplicated counts of serial titles rather than
subscriptions.