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Angelo & Jennette Volpe Library

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Document Delivery 

Borrowing Statistics

These are requests made by Tennessee Tech patrons to borrow items from other libraries.

REQUESTS PER COLLEGE/SCHOOL
  2021-2022 2020-2021 2019-2020 2018-2019 2017-2018
Ag & HEC 122  141 162 178 179
A&S 1,558  1,630 1,983 2,525 2,854
Business  250 608 268 220 284
Education  1,174 683 1,055 1,668 1,885
Engineering  1,472 1,307 1,601 1,970 2,774
Fine Arts  57 88 129 195 103
Interdisciplinary  377 272 286 351 325
Nursing  494 584 475 617 555
Other  385 607 429 655 358
ANNUAL BORROWING
  2021-2022 2020-2021 2019-2020 2018-2019 2017-2018
Requests 5,914 5,800 6,260 8,092 9,122
Filled 4,202 4,132 4,503 6,122 6,371
Fill Rate 71.10%* 71.24%* 71.93%* 75.65%* 69.84%*
*BORROWING CANCELLATION REASONS (where patron still gets items)
Reason 2021-2022 2020-2021 2019-2020 2018-2019 2017-2018
items we have online (article is emailed) 47 76 39 83 115
articles we have in print (article is scanned and emailed) 55 73 130 127 163
books we own in print (so they can check out) 37 67 45 55 65
available in Google Scholar (article is emailed) 899 828 975 1,077 1,421
patrons previously requested and received articles 190 67 70 64 82
TOTAL items we did not fill via ILL but patron still received 1,228 1,111 1,258 1,406 1,846
new fill rate for patrons receiving items 91.82% 90.40% 92.03% 93.03% 90.08%
BORROWING DETAILS
  REQUESTS TOTAL FILLED THROUGH ILL FILLED PHYSICAL ITEMS TURNAROUND TIME - PHYSICAL ITEMS FILLED ARTICLES TURNAROUND TIME - ARTICLES TOTAL UNFILLED*
2021-2022 5,914 4,202 844 AVG. 9.4 DAYS 3,358 AVG. 2.7 DAYS 1,689
2020-2021 5,800 4,132 813 AVG. 13.1 DAYS 3,319 AVG. 2.7 DAYS 1,668
2019-2020 6,260 4,503 754 n/a 3,749 n/a 1,757
2018-2019 8,092 6,122 1,164 AVG. 9.7 DAYS 4,958 AVG. 3.1 DAYS 1,970
2017-2018 9,122 6,371 1,102 AVG. 10.2 DAYS 5,269 AVG. 4.6 DAYS 905

Requests by User Type / Status

These are requests made by Tennessee Tech users to borrow items from other libraries.

BORROWING REQUESTS BY STATUS
  2021-2022 2020-2021 2019-2020 2018-2019 2017-2018
Faculty / Staff 1,726 2,138 2,340 2,586 2,441
Graduate 1,735 1,975 1,903 2,606 3,214
Undergraduate 2,431 1,807 2,145 3,187 3,630
TOTALS: 5,892 5,920 6,388 8,379 9,285


Lending Statistics

These are requests made by other libraries to borrow Tennessee Tech materials.

ANNUAL LENDING
  2021-2022 2020-2021 2019-2020 2018-2019 2017-2018
Requested 1,719 1,859 1,911 2,194 1,987
Loaned 859 916 830 944 902
Fill Rate 49.97% 49.27% 43.43% 43.03% 45.39%
LENDING DETAILS
  REQUESTS TOTAL FILLED FILLED PHYSICAL ITEMS FILLED ARTICLES TOTAL UNFILLED
2021-2022 1,719 859 786 73 813
2020-2021 1,859 916 810 106 944
2019-2020 1,911 830 718 112 1,081
2018-2019 2,194 944 822 122 1,250
2017-2018 1,987 902 751 151 1,085

 


Notes

2021-2022:  Most ILL numbers held steady, though there was an increase in turnaround time for borrowed items (most likely due to reopening after COVID-19).

2020-2021:  The library stopped using Firefly on June 30, 2021. ILL use by Tech students has been decreasing over the last few years, especially with undergraduates.  The discrepancy between the total number of requests and the total users making requests has been investigated, but there were no details to explain the discrepancy.

2019-2020: Get It Now (GIN) was suspended in November due to ongoing budget reductions. ILLiad, the ILL system, stopped tracking total turnaround time for borrowing and now only tracks internal turnaround time. ILL services were suspended in March through June due to the pandemic.

2018-2019:  The library started using a new InterLibrary Loan shuttle service called Firefly.  With Firefly, library materials are picked up and dropped off at almost all libraries across the state.

2016-2017: ILL borrowing decreased this year in every month and across all user types. The fill rates and turnaround times have remained. Get It Now was available through our new library system beginning in July, but it could not effectively be limited to faculty and graduate students only. Due to its excessive use and cost, it was turned off in October.

2015-2016: ILL borrowing has increased while lending has been fairly steady, especially since our lending stats do not include February article statistics since there was a glitch in our system. Document scanning decreased, which is not surprising as our print journals get less and less use, and we transition to more online resources. Get It Now more than doubled this year with the most common users in engineering and education.

2014-2015: ILL has continued to increase, with borrowing requests almost tripling in the last two years. The turnaround times this year are a little skewed due to the terrible winter weather. The ILL department was closed for approximately two weeks throughout February and March, which definitely affected the turnaround time. Although document scanning went down slightly, it still seems to be much appreciated by our patrons. It most likely decreased because of a large print journal weeding project in Summer 2013. The use of Get It Now approximately doubled this year.

2013-2014: ILL has increased dramatically over the past two years. The document scanning is proving to be a valuable service has usage has drastically increased. This scanning happens when an ILL request is cancelled because we have the article in print. The print article is then scanned and emailed to the patron. Get It Now is an article on demand service that was released in September 2013. Graduate students and faculty can request an article and the library pays the per-article fee.

2012-2013: The library began using ILLiad for ILL in July 2012. This allows patrons to request materials themselves without going through a library employee. This means they often request materials we already have, so there are less "filled" requests via ILLiad. This system can also affect other statistics for the 2012-2013 report compared to previous years. 

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