Compact Disks


Volume, Title, and Unique Books data collected on May 31, 2008.
Circulation statistics for the ALC fiscal year ending May 31, 2008.

Volume Count and Average Age

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

ACUAPLHSU McMHPUALC
1400-1699      
1700-1799      
1800-1899      
1900-1909341 210
1910-1919      
1920-1929      
1930-1939      
1940-1949      
1950-1959 11  2
1960-19698106 327
1970-197418192 544
1975-197921306 1168
1980-1984668459171281
1985-1989348324465 2671,404
1990-1994614625965 2332,437
1995-19991,1051,357882 763,420
2000-20041,1193,164643 805,006
2005553753106 31,415
200643180262 21,297
20072167448 1969
20088195   203
Totals4,5108,1123,206175416,583
Average Age199920011995198119901999
Percent of
Collection
1.56%3.29%2.00%0.00%0.97%1.81%

Title Count and Average Age

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

ACUAPLHSU McMHPUALC
1400-1699      
1700-1799      
1800-1899      
1900-1909221 27
1910-1919      
1920-1929      
1930-1939      
1940-1949      
1950-1959 11  2
1960-1969696 324
1970-19747162 530
1975-197911245 1151
1980-1984477757169242
1985-1989216293427 2471,150
1990-1994371561877 1801,925
1995-19996541,246760 622,653
2000-20045022,612565 423,682
2005181607105 3890
200624061949 2909
20071185348 1659
20086150   156
Totals2,3616,7512,863162712,380
Average Age199820001995198119891998
Percent of
Collection
1.02%3.84%2.01%0.00%0.89%1.94%

Unique Books Count and Average Age

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

ACUAPLHSU McMHPU
1400-1699     
1700-1799     
1800-1899     
1900-1909111 2
1910-1919     
1920-1929     
1930-1939     
1940-1949     
1950-1959 11  
1960-1969286 3
1970-19742142 5
1975-19793214 11
1980-1984266952160
1985-1989122255382 221
1990-1994169496789 154
1995-19993211,136663 43
2000-20041142,132481 26
20055847193 2
20068745341 2
2007383313  
20084107   
Totals9475,4952,5181529
Average Age19972000199519811989

Total Circulation

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

Patron System
ACUAPLHSU McMCJCHPUTotal
ACU Items34701704359
APL Items2,26744,5228403630047,992
HSU Items401,2490041,257
McM Items0000000
HPU Items0000000
Totals2,61844,5222,0903700849,608

Circulation by Item Age

A count of charges and renewals for Compact Disks, 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 14   14
1910-1919      
1920-1929      
1930-1939      
1940-1949      
1950-1959      
1960-19691711  73
1970-19741782  81
1975-19795713  79
1980-19841530129  345
1985-1989401,346230  1,616
1990-1994242,178367  2,569
1995-1999845,312325  5,721
2000-200414018,030257  18,427
200566,05022  6,078
2006177,76021  7,798
2007226,403   6,425
20084378   382
Totals35947,9921,2570049,608
Percent of
Circulation
1.02%7.43%6.05%0%0%6.95%

Non-Circulating Use

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

ACUAPLHSU McMHPU
11033100

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