Compact Disks


Volume, Title, and Unique Books data collected on May 31, 2007.
Circulation statistics for the ALC fiscal year ending May 31, 2007.

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
1960-19699116 329
1970-197418192 544
1975-197919336 1169
1980-1984608856171276
1985-1989330317452 2671,366
1990-1994553637910 2332,333
1995-19991,0541,357852 763,339
2000-20049973,120614 804,811
200542467885 21,189
200637369933 21,107
2007122261  239
Totals3,8527,1903,019175214,814
Average Age199820001995198119901998
Percent of
Collection
1.37%2.70%1.92%0.00%0.98%1.61%

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
1960-19697106 326
1970-19747172 531
1975-197910265 1152
1980-1984457954169239
1985-1989207286420 2471,127
1990-1994346561838 1801,868
1995-19996321,243738 622,615
2000-20044402,551541 423,539
200517553985 2797
200621753820 2777
200771941  202
Totals2,0956,0472,712162511,282
Average Age199720001995198119891998
Percent of
Collection
0.92%3.24%1.95%0.00%0.90%1.76%

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  
1960-1969396 3
1970-19742152 5
1975-19793224 11
1980-1984277048161
1985-1989121247378 221
1990-1994170493765 155
1995-19993241,138652 44
2000-20041072,051469 26
20055841077 1
20068839218 2
20071162   
Totals9055,0112,4211531
Average Age19961999199519811989

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 Items5581259000629
APL Items2,36739,26498328920442,927
HSU Items501,3670001,372
McM Items0000000
HPU Items0000000
Totals2,93039,2762,40928920444,928

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 171  18
1910-1919      
1920-1929      
1930-1939      
1940-1949      
1950-1959      
1960-19691722  75
1970-1974 1082  110
1975-197961041  111
1980-1984935738  404
1985-1989681,405258  1,731
1990-19941112,590350  3,051
1995-19992236,109408  6,740
2000-200419219,722284  20,198
200586,69023  6,721
200695,5305  5,544
20072223   225
Totals62942,9271,3720044,928
Percent of
Circulation
1.72%6.72%6.19%0%0%6.33%

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
22057200

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