Circulation Data: Social Work Library FY13

Zack LaneReCAP Coordinator

July 2013

ReCAPColumbia University

Looks at Social Work Library circulation activity

Is only one measure of collection usage Presents data both SW specific and system-

wide ?Circ Desk uses several happening

locations: Social Work, Butler, BorrowDirect, HSL

No circulation data for non-circulating collections

Social Work Circulation Data

ReCAPColumbia University

ReCAPColumbia University

?SW Library Background ?Social Work Library became independent

entity in August 2004 ?Opening of new Social Work building ?Print collection was previously part of

Lehman Library in SIPA ?Transition period between August 2004

and May 2005 ?Two happening locations:

◦ Social Work Circ. Deck◦ SW Circulation Desk

ReCAPColumbia University

SW Library Happening Location Data collated by happening location Social Work Library became independent

entity in August 2004 Five primary types of circulation activity:

charge, discharge, renewal, recall and hold

Most renewals and recalls are done in the OPAC happening location, dynamically by patrons themselves

Note: circulation data includes primarily “on campus” collections

ReCAPColumbia University

15,535

13,046 12,564

10,545 11,505

13,110

10,871 9,753

8,297

0

2,000

4,000

6,000

8,000

10,000

12,000

14,000

16,000

18,000

FY04/05 FY05/06 FY06/07 FY07/08 FY08/09 FY09/10 FY10/11 FY11/12 FY12/13

Charge Activity at Social Work Library

ReCAPColumbia University

0

2,000

4,000

6,000

8,000

10,000

12,000

14,000

16,000

18,000

FY04/05 FY05/06 FY06/07 FY07/08 FY08/09 FY09/10 FY10/11 FY11/12 FY12/13

Comparison of Circulation Activity at Social Work Library

Charges Discharges Renewals Recalls Holds

ReCAPColumbia University

Observations Total volume of charges has fluctuated System-wide there has been a 27.4%

decline Volume of discharge predictably mirrors

charges Other types of circulation activity happen in

much lower volume Majority of renewals occur in the OPAC

happening location Staff may be responsible for most holds

ReCAPColumbia University

Circ Activity by Collection Over the first few years charge activity is split

evenly between stacks and reserves collections Since FY09, activity has tilted towards

Reserves Charges to SW Stacks has declined steadily

each fiscal year Offsite charges should be placed in the Butler

Happening Location Data unavailable for non-circulating collections

ReCAPColumbia University

SW Reserves53%

SW Stacks42%

Offsite2%

Borrow Direct Circ Desk1%

Everything Else1%

SW Offsite1%

SW Other0%

Charge Activity by Collection at Social Work Library

ReCAPColumbia University

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

FY04/05 FY05/06 FY06/07 FY07/08 FY08/09 FY09/10 FY10/11 FY11/12 FY12/13

Propotional Charge Activity by Collection at Social Work Library

SW Reserves SW Stacks Offsite Borrow Direct Circ Desk Everythin Else SW Offsite SW Other

ReCAPColumbia University

Circ Activity by Sub-Collection Charges for the general collection have

consistently declined since FY05 Reserves have fluctuated greatly but not

significantly diminished Charges for collections at ReCAP have been

remarkably steady

ReCAPColumbia University

0

1,000

2,000

3,000

4,000

5,000

6,000

7,000

8,000

9,000

10,000

FY03/04 FY04/05 FY05/06 FY06/07 FY07/08 FY08/09 FY09/10 FY10/11 FY11/12 FY12/13

Charge Activity of Social Works Stacks (swx) by Patron Group

GRD OFF REG VIS

ReCAPColumbia University

0

1,000

2,000

3,000

4,000

5,000

6,000

7,000

8,000

9,000

FY03/04 FY04/05 FY05/06 FY06/07 FY07/08 FY08/09 FY09/10 FY10/11 FY11/12 FY12/13

Charge Activity of Social Work Reserves (swx,res) by Patron Group

GRD OFF REG VIS

ReCAPColumbia University

0

100

200

300

400

500

600

700

800

900

FY03/04 FY04/05 FY05/06 FY06/07 FY07/08 FY08/09 FY09/10 FY10/11 FY11/12 FY12/13

Charge Activity of Social Work Offsite (off,swx) by Patron Group

GRD OFF REG VIS

ReCAPColumbia University

SW Circulation by Patron Group Almost 3/4 of all charges are to graduate

students Patron Group definitions have changed:

◦ Adjunct faculty, in 2008 grad students were given primary group OFF instead of GRD

Pie charts break down data for FY12 only Bar chart compares patron group charges

for each fiscal year

ReCAPColumbia University

0

2,000

4,000

6,000

8,000

10,000

12,000

14,000

16,000

18,000

FY04/05 FY05/06 FY06/07 FY07/08 FY08/09 FY09/10 FY10/11 FY11/12 FY12/13

Charge Activity by Patron Group at Social Work Library

GRD OFF REG VIS

ReCAPColumbia University

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

FY04/05 FY05/06 FY06/07 FY07/08 FY08/09 FY09/10 FY10/11 FY11/12 FY12/13

Proportional Charge Activity by Patron Group at Social Work Library

GRD OFF REG VIS

ReCAPColumbia University

0

2,000

4,000

6,000

8,000

10,000

12,000

14,000

FY04/05 FY05/06 FY06/07 FY07/08 FY08/09 FY09/10 FY10/11 FY11/12 FY12/13

Charge Activity by Patron Group at Social Work Library

GRD OFF REG VIS

ReCAPColumbia University

Monthly Circulation by Patron Group Undulations match expectations for use

through the academic calendar Peaks in fall and spring; valleys in summer

and winter Charge volume to graduate students is

typically higher in the fall than spring Minimal charge volume to faculty and

undergraduates

ReCAPColumbia University

0

500

1,000

1,500

2,000

2,500

Monthly Charge Activity by Patron Group at Social Work Library

GRD OFF REG VIS

ReCAPColumbia University

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Proportional Monthly Charge Activity by Patron Groupat Social Work Library

GRD OFF REG VIS

ReCAPColumbia University

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

January February March April May June July August September October November December

Proportional Calendar Month Charge Activity by Patron Groupat Social Work Library

GRD OFF REG VIS

ReCAPColumbia University

Collection Use by Patron Group Data for all transactions in the SW

Happening Location Balance between user groups has been

consistent over time Offsite charges are placed in the Butler

Happening Location Data unavailable for non-circulating

collections

ReCAPColumbia University

GRD78.0%

OFF12.8%

REG8.2%

VIS1.1%

Total Charge Activity by Patron Group at Social Work Library

ReCAPColumbia University

GRD76.9%

OFF13.8%

REG8.4%

VIS0.9%

FY13 Charge Activity by Patron Group at Social Work Library

ReCAPColumbia University

Collection Use by Patron Group Graduates are the heaviest users of reserve

material Faculty split their usage between the two –

though grads with OFF borrowing privileges may account for this

Undergraduates use mostly the general collections

ReCAPColumbia University

SW Stacks38.44%

SW Reserves61.55%

SW Other0.01%

GRD Charge Activity at Social Work Library

ReCAPColumbia University

SW Stacks50.84%

SW Reserves49.08%

SW Other0.08%

OFF Charge Activity at Social Work Library

ReCAPColumbia University

SW Stacks81.86%

SW Reserves18.07%

SW Other0.07%

REG Charge Activity at Social Work Library

ReCAPColumbia University

SW Stacks90.24%

SW Reserves9.76%

VIS Charge Activity at Social Work Library

More information and data can be found on the Social Work/ReCAP website

ReCAP Data Center includes more information about system-wide data and special projects

Tailored data sets and analysis will be provided to staff via the ReCAP Coordinator

Please see the main ReCAP website for general information about CUL procedures and systems

More Data Available

ReCAPColumbia University