Median Values for Time-Series Trends
|
Year
|
Serial Unit Cost
|
Serial Expenditures
|
Monograph Unit Cost
|
Monograph Expenditures
|
Serials Purchased
|
Non- purchased Serials
Received
|
Monographs Purchased
|
|
(No. of Libraries)
|
(37)
|
(102)
|
(60)
|
(98)
|
(37)
|
(37)
|
(60)
|
|
1986
|
$89.77
|
$1,496,775
|
$28.99
|
$1,118,931
|
15,919
|
3,319
|
32,679
|
|
1987
|
$105.68
|
$1,769,960
|
$31.90
|
$1,060,754
|
16,518
|
3,508
|
26,240
|
|
1988
|
$117.25
|
$1,947,559
|
$36.05
|
$1,109,845
|
16,038
|
3,460
|
25,238
|
|
1989
|
$128.71
|
$2,113,976
|
$38.43
|
$1,093,858
|
16,015
|
3,406
|
27,082
|
|
1990
|
$134.09
|
$2,296,910
|
$40.58
|
$1,329,950
|
16,182
|
4,648
|
27,546
|
|
1991
|
$152.43
|
$2,548,687
|
$42.32
|
$1,396,566
|
16,149
|
4,743
|
27,524
|
|
1992
|
$173.67
|
$2,620,832
|
$43.87
|
$1,348,786
|
15,846
|
5,308
|
26,344
|
|
1993
|
$188.29
|
$2,918,569
|
$42.76
|
$1,284,116
|
15,463
|
5,211
|
25,188
|
|
1994
|
$200.85
|
$2,912,495
|
$44.51
|
$1,282,569
|
15,583
|
5,866
|
25,341
|
|
1995
|
$214.42
|
$3,131,033
|
$44.70
|
$1,365,046
|
14,540
|
6,173
|
25,707
|
|
1996
|
$222.89
|
$3,389,118
|
$46.61
|
$1,437,028
|
15,069
|
6,104
|
25,911
|
|
1997
|
$249.97
|
$3,642,541
|
$46.33
|
$1,457,789
|
15,297
|
5,764
|
28,576
|
|
1998
|
$245.05
|
$3,816,497
|
$47.15
|
$1,486,436
|
14,201
|
7,669
|
24,447
|
|
1999
|
$269.98
|
$4,095,934
|
$47.40
|
$1,496,687
|
14,303
|
6,565
|
24,355
|
|
2000
|
$303.19
|
$4,430,812
|
$47.58
|
$1,645,248
|
14,772
|
8,244
|
27,469
|
|
2001
|
$282.54
|
$4,660,349
|
$48.20
|
$1,848,622
|
13,806
|
8,338
|
29,989
|
|
2002
|
$296.50
|
$4,939,225
|
$50.26
|
$1,806,964
|
17,673
|
8,979
|
31,079
|
|
2003
|
$283.08
|
$5,392,007
|
$52.75
|
$1,858,280
|
18,142
|
8,873
|
32,649
|
|
Average annual
percentage change
|
7.0%
|
7.8%
|
3.6%
|
3.0%
|
0.8%
|
6.0%
|
0.0%
|
Source: Martha
Kyrillidou and Mark Young, ARL Statistics 2002-03 (Washington,
DC: Association of Research Libraries, forthcoming in 2004).
|