Research Library Trends Tables and Graphs · 11
Graph 2
Monograph
and
Serial Expenditures
in
ARL Libraries, 1986–2009*
-25%
16%
57%
98%
139%
180%
221%
262%
303%
344%
385%
Monographs
Purchased
(+6%)
Monograph
Expenditures
(+77%)
Monograph
Unit Cost
(+87%)
Serial
Expenditures
(+381%)
2009 2007 2004 2001 1998 1995 1992 1989 1986
%
C
h
a
n
g
e
S
i
n
c
e
1
9
8
6
*Includes
electronic resources from 1999–2000 onward.
Source: ARL Statistics 2008–2009, Association of Research Libraries, Washington, DC
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