9
-50%
-30%
-10%
10%
30%
50%
70%
90%
110%
130%
150%
Source: ARL Statistics 2004-05, Association of Research Libraries, 2006
Graph 1
Service Trends in ARL Libraries, 1991-2005
Interlibrary
Borrowing
(+147%)
Group
Presentations
(+58%)
Reference
Transactions
(-48%)
Total
Circulation**
(-7%)
Total
Staff
(-1%)
Total
Students
(+21%)
**Total Circulation includes Initial and Renewals but excludes Reserve Circulation
Participants in Group
Presentations
(+93%)
Circulation
Ratio: Initial
to Total
(+25%)
Initial
Circulation**
(-15%)
%
Change
Since
1991