Duke University Libraries, 2010-2011 ARL Statistics
Volume and Title Count Metrics
Volumes held (as of June 30 reporting year)6,340,456
Volumes held (on June 30 previous year)6,172,978
Volumes Added (Net)88,347
Volumes Added (Gross)90,431
Volumes withdrawn since June 30 previous year (0 or neg #)-2,084
Titles Held3,658,872
Number of monographic volumes purchased64,982
Volumes held in the LSC221,395
Serial Volumes Added10,012
Serial Volumes Withdrawn (0 or neg #)-300
Current Serials Total156,988
Electronic (deduplicated)104,481
Print (and other non-electronic format) serials purchased10,492
Serials Purchased114,973
Freely accessible38,898
Print (and other format) - Exchanges, gifts, etc.1,851
Government documents1,266
Serials Not Purchased42,015
Other Materials
Manuscripts (count)22,548,804
Manuscripts added (count)1,452,162
Microform Units4,430,439
Government Documents not counted elsewhere1,264,760
Computer Files103,053
Manuscripts and Archives (linear ft.)64,609
Cartographic Materials133,718
Graphic Materials987,150
Audiovisual Materials
Audio Materials67,783
Film and Video Materials95,732
Current Serials$10,621,724
Other Library Materials$170,780
Miscellaneous Expenditures$1,699,909
Total Library Materials (calculated field)$9,424,484
Contract Binding$124,872
Salaries & Wages Professional Staff$11,093,728
Salaries & Wages Support Staff$4,180,003
Salaries & Wages Student Assistants$439,003
Total Salaries & Wages$15,712,734
Other Operating Expenditures$5,347,158
Total Library Expenditures$30,484,376
One-time electronic resource purchases$568,105
Ongoing electronic resource purchases$8,856,379
Total Electronic Materials Expenditures$1,310,286.00
From internal library sources$418,157
Expenditures From External Sources$6,088
Bibliographic Utilities, Networks, and Consortia (internal and external)$424,245
Computer Hardware and Software$826,484
Document Delivery/Interlibrary Loan$59,557
Professional Staff (FTE)182.00
Support Staff (FTE)118.00
Student Assistants (FTE)22.00
Total Staff (FTE)322.00
Initial Circulation Transactions (excluding reserves)470,262
Total Circulation Transactions (initial and renewals, excluding reserves)669,321
Returnable loans19,110
Non-Returnable loans14,409
Total Items Loaned (ILL)33,519
Returnable Received18,524
Non-Returnable Received8,748
Total Items Borrowed (ILL)27,272
Documents Delivered from Commercial Services6
Gate Count in a Typical Week75,715
Reference Transactions (Total, ARL method)109,692
Staffed Service Points19
Weekly Public Service Hours168
Presentations to Groups1,045
Participants in Group Presentations16,918