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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