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Document Supply Statistics

Total Transactions

  2017-18 2018-19 2019-20 2020-21 2021-22
Requests Handled 19,063 17,970 15,013 15,183 8,406

 

Interlibrary Borrowing

  2017-18 2018-19 2019-20 2020-21 2021-22
Requests Handled 5,207 5,473 4,503 4,344 3,909
Fill Rate 92.55% 91.40% 90.00% 89.45% 84.91%
Days Needed 3.10 4.38 5.85 4.32 3.98

 

Interlibrary Lending

  2017-18 2018-19 2019-20 2020-21 2021-22
Requests Handled 13,157 11,803 9,853 10,577 4,329
Fill Rate 71.95% 62.68% 65.54% 64.67% 64.36%

 

Document Delivery

  2017-18 2018-19 2019-20 2020-21 2021-22
Requests Handled 699 694 657 262 168
Days Needed 0.78 0.80 1.18 0.91 1.03

 

Borrowing & Document Delivery Transactions by User Group 2021-22

Note: “Staff” includes faculty members and all other staff; alumni cannot use ILL.

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last modified 26 July 2022