Psychology


Volume, Title, and Unique Books data collected on May 31, 2023.
Circulation statistics for the ALC fiscal year ending May 31, 2023.

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
1930-193974 291219134
1940-1949106 552737225
1950-1959377 162197102838
1960-196959984014602141,685
1970-19742534298232134924
1975-197933873021971591,003
1980-19843293228246164971
1985-198929115112281111810
1990-19942723112614499672
1995-199928764269127156904
2000-200424013022356111761
2005-20092231641342666615
2010-2014105175107257455
2015-2019274391181
20201316107753
202173752152
2022152554150
2023217 1 20
Totals3,8359652,5602,0611,47310,917
Average Age197820091981197619811981
Percent of
Collection
1.34%0.45%1.44%1.58%1.82%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
1930-193971 271118112
1940-1949103 542736186
1950-1959337 150155100593
1960-196955583714362031,183
1970-19742144285225132721
1975-19792857286190158797
1980-19842513225232159732
1985-198925912110272103644
1990-19942373012313694553
1995-199924061262122152726
2000-200420811218953101564
2005-20091911431302566495
2010-20148213499253345
2015-2019193491163
2020131397643
202173052144
2022142254143
2023210 1 13
Totals3,3198082,4151,9171,4148,369
Average Age197820081981197719811982
Percent of
Collection
1.45%0.55%1.50%1.60%1.90%1.31%

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 341122
1950-1959239 887748
1960-1969302316622078
1970-1974119319314476
1975-19791766202117110
1980-19841361145143107
1985-198918475619545
1990-199416925869857
1995-1999143472047983
2000-2004143931311842
2005-2009135111901330
2010-2014549482 40
2015-20191023911
20201111744
2021625521
20221017441
202326 1 
Totals2,1586181,5821,144780
Average Age19772009198319781981

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 Items132868102229
APL Items2888621300929
HSU Items1593300158
McM Items518680037
HPU Items030002023
Totals1801,00249220231,276

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   14
1940-19491    1
1950-195911   314
1960-19696732927
1970-19743  2 5
1975-19794 23110
1980-19845 35114
1985-19891720 3 40
1990-199452113 30
1995-1999152874559
2000-2004145952282
2005-2009219311 117
2010-2014241171241167
2015-2019557   62
2020736101 54
20216904  100
20222812113 153
2023435   39
Totals179684493323978
Percent of
Circulation
1.76%0.35%1.42%1.49%1.67%0.46%

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
3047446

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