Research Library Trends Tables and Graphs · 13
Graph 3
Supply
and
Demand
in
ARL Libraries, 1986–2008*
-25%
10%
45%
80%
115%
150%
185%
220%
255%
290%
325%
Monographs
Purchased
(0%)
Faculty
(+33%)
Total
Students
(+36%)
Graduate
Students
(+111%)
Interlibrary
Lending
(+126%)
Interlibrary
Borrowing
(+295%)
2008 2004 2001 1998 1995 1992 1989 1986
%
C
h
a
n
g
e
S
i
n
c
e
1
9
8
6
*Serial
and monograph data includes electronic resources from 1999–2000 onward.
Source: ARL Statistics 2007–2008, Association of Research Libraries, Washington, DC
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