Psychology


Volume, Title, and Unique Books data collected on May 31, 2022.
Circulation statistics for the ALC fiscal year ending May 31, 2022.

Volume Count and Average Age

Counts and average ages of volumes (individual barcoded items) in Psychology. This count only includes bound monographic materials.

ACUAPLHSU McMHPUALC
1400-1699      
1700-1799      
1800-189926 71337
1900-190945 725380
1910-191930 61542
1920-192962 225897
1930-193975 291219135
1940-1949106 552837226
1950-1959381 162198102843
1960-196960084014622141,688
1970-19742535298232133924
1975-1979343103021981591,012
1980-19843324228248164977
1985-198929121112281111816
1990-19942733612614498677
1995-199928784269127156924
2000-200423615422356111781
2005-20092161951342666639
2010-201496207106157478
2015-201927449 181
2020101686747
202163612 45
2022217 1 20
Totals3,7991,0672,5482,0591,46810,967
Average Age197720081981197519811981
Percent of
Collection
1.34%0.49%1.44%1.51%1.81%1.22%

Title Count and Average Age

Counts and average ages of titles (excludes duplicate copies) in Psychology. This count only includes bound monographic materials.

ACUAPLHSU McMHPUALC
1400-1699      
1700-1799      
1800-189922 71332
1900-190921 72332
1910-191930 51540
1920-192958 195481
1930-193972 271118113
1940-1949103 542836187
1950-1959341 150156100596
1960-196955683714382031,186
1970-19742145285225131722
1975-197928810286190158802
1980-19842534225234159737
1985-198925918110272103648
1990-19942373512313693557
1995-199923981262122152742
2000-200420413118953101578
2005-20091841691302566514
2010-20147315798153356
2015-201919349 162
2020101376639
202162912 37
2022216 1 18
Totals3,2798982,4031,9141,4098,398
Average Age197720071981197719811982
Percent of
Collection
1.45%0.63%1.50%1.55%1.90%1.32%

Unique Books Count and Average Age

Counts and average ages of unique books (titles held by only one ALC library) in Psychology. This count only includes bound monographic materials.

ACUAPLHSU McMHPU
1400-1699     
1700-1799     
1800-189917 613
1900-190919 712
1910-191929 414
1920-192954 1532
1930-193955 19513
1940-194977 341222
1950-1959240 887748
1960-1969303316622278
1970-1974119419414476
1975-19791788202117110
1980-19841361145144107
1985-1989183115619445
1990-199416930869856
1995-1999141642037883
2000-20041371061311842
2005-2009128132911330
2010-20144510981 40
2015-201910239 1
2020911644
202152412 
2022114 1 
Totals2,1166911,5741,139776
Average Age19762008198219781981

Total Circulation

A count of charges and renewals for Psychology. This count only includes circulation of bound monographs, CDs, videos, and DVDs.

Patron System
ACUAPLHSU McMCJCHPUTotal
ACU Items151512200206
APL Items2387914700923
HSU Items11245330495
McM Items476360053
HPU Items400002832
Totals19396175480321,309

Circulation by Item Age

A count of charges and renewals for Psychology, broken down by item age and item owner. This count only includes circulation of bound monographs, CDs, videos, and DVDs, and only items which have a valid date in their DATE_1 field.

ACUAPLHSU McMHPUALC
1400-1699      
1700-1799      
1800-1899      
1900-1909      
1910-1919      
1920-1929      
1930-19393 1  4
1940-19491   23
1950-19597 41113
1960-19698666127
1970-19745 26114
1975-197985 4421
1980-198415 6214
1985-19896315217
1990-1994151166139
1995-19991033178270
2000-200415771144111
2005-20092111212 2148
2010-20141215922 6205
2015-2019251   53
2020115356378
20217120   127
2022323 1 27
Totals135658875331971
Percent of
Circulation
1.22%0.33%1.99%2.55%3.43%0.44%

Non-Circulating Use

A count of Non-Circulating usage for Psychology (as recorded by the circulation "Mark Item Used" command). This count only includes bound monographs, CDs, videos, and DVDs.

ACUAPLHSU McMHPU
52701123

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