Compact Discs


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 Compact Discs. This count only includes bound monographic materials.

ACUAPLHSU McMHPUALC
1400-1699      
1700-1799      
1800-1899  1  1
1900-19093 1 26
1910-1919      
1920-1929      
1930-1939      
1940-1949      
1950-195917 15  32
1960-1969242214 3243
1970-1974322164 5203
1975-197942169 11123
1980-19849010245 71416
1985-198937739688 2681,372
1990-1994585761,205 2332,099
1995-19991,1031741,365 762,718
2000-20041,4678041,106 803,457
2005-20093,2311,6251,7371396,633
2010-20141,4941,316889 173,716
2015-201911035812 2482
2020 1023  105
2021 1291  130
2022 107   107
2023 32  5
Totals8,6746,3977,880180723,759
Average Age200320101998200819922003
Percent of
Collection
3.03%2.97%4.43%0.00%1.00%2.65%

Title Count and Average Age

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

ACUAPLHSU McMHPUALC
1400-1699      
1700-1799      
1800-1899  1  1
1900-19092 1 25
1910-1919      
1920-1929      
1930-1939      
1940-1949      
1950-19599 15  24
1960-1969172206 3228
1970-1974132164 5184
1975-197920168 11100
1980-1984599243 69368
1985-198924835663 2481,161
1990-1994372701,122 1801,695
1995-19996701601,215 652,054
2000-2004683693976 422,362
2005-20091,2441,3851,1881373,831
2010-20144711,023575 172,077
2015-20195628012 2347
2020 953  98
2021 1241  125
2022 103   103
2023 31  4
Totals3,9435,2576,590168116,252
Average Age200220101997200819912002
Percent of
Collection
1.73%3.58%4.10%0.00%0.92%2.54%

Unique Books Count and Average Age

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

ACUAPLHSU McMHPU
1400-1699     
1700-1799     
1800-1899  1  
1900-19091 1 2
1910-1919     
1920-1929     
1930-1939     
1940-1949     
1950-19591 15  
1960-196982202 3
1970-197442164 5
1975-19796167 11
1980-1984307236 59
1985-198914330617 221
1990-1994166621,041 154
1995-19993241411,110 45
2000-2004243587875 32
2005-20094171,1421,070 22
2010-2014285750517 9
2015-20193420611 2
2020 883  
2021 1201  
2022 100   
2023 3   
Totals1,7254,1696,0630565
Average Age200220101997NA1990

Total Circulation

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

Patron System
ACUAPLHSU McMCJCHPUTotal
ACU Items232100026
APL Items326,26018326006,501
HSU Items0000011
McM Items0000000
HPU Items0000000
Totals556,26218426016,528

Circulation by Item Age

A count of charges and renewals for Compact Discs, 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      
1930-1939      
1940-1949      
1950-1959      
1960-1969      
1970-1974 2   2
1975-1979      
1980-1984 27   27
1985-1989 56   56
1990-1994 59   59
1995-1999 119   119
2000-2004197001  720
2005-2009 1,287   1,287
2010-201411,139   1,140
2015-2019 318   318
2020 149   149
2021 370   370
2022 541   541
2023 1   1
Totals204,7681004,789
Percent of
Circulation
0.20%2.46%0.03%0%0%2.26%

Non-Circulating Use

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

ACUAPLHSU McMHPU
127000

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