Compact Disks


Volume, Title, and Unique Books data collected on May 31, 2006.
Circulation statistics for the ALC fiscal year ending May 31, 2006.

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
1600-1699      
1700-1799      
1800-1899      
1900-1909341  8
1910-1919      
1920-1929      
1930-1939      
1940-1949      
1950-1959 11  2
1960-1969896 326
1970-197415192 541
1975-197914335 1163
1980-1984608855269274
1985-1989297308440 2471,292
1990-1994504625853 1862,168
1995199145155 16515
1996215179136 12542
1997213242184 17656
1998199352141 6698
1999156409165 11741
2000342527141 91,019
200113759192 8828
2002232603114 2951
200312970561 48943
20048656776 7736
200536952226 1918
200613170   183
Totals3,1916,0992,654265812,604
Average Age199719991994198219901997
Percent of
Collection
1.20%2.49%1.74%0.00%0.88%1.44%

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
1600-1699      
1700-1799      
1800-1899      
1900-1909221  5
1910-1919      
1920-1929      
1930-1939      
1940-1949      
1950-1959 11  2
1960-1969696 324
1970-19745172 529
1975-19797264 1148
1980-1984457953267236
1985-1989193278408 2271,075
1990-1994318551789 1351,740
1995114135152 13407
1996118162133 9410
1997115230132 9479
1998139334125 6590
1999113365125 11599
2000127473137 9735
20016849490 8654
20028747888 2653
20036158560 10709
20046043175 7571
200513441226 1569
20069142   151
Totals1,7215,2042,40725339,686
Average Age199619991994198219891997
Percent of
Collection
0.81%2.99%1.78%0.00%0.79%1.59%

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
1600-1699     
1700-1799     
1800-1899     
1900-1909111  
1910-1919     
1920-1929     
1930-1939     
1940-1949     
1950-1959 11  
1960-1969396 3
1970-19741152 5
1975-19792223 11
1980-1984276947159
1985-1989120241367 202
1990-1994165486722 113
199550126142 10
199658144120 5
199759218123 4
199887315109 4
19996432697 7
200041419120 6
20011041079 5
20022536581  
20031147850 8
2004831367 3
20053530621  
20061114   
Totals7684,3782,1581445
Average Age19951999199419811989

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 Items7361329100779
APL Items3,07736,69297355991041,392
HSU Items60919000925
McM Items0000000
HPU Items000001010
Totals3,81936,7051,921560911043,106

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
1600-1699      
1700-1799      
1800-1899      
1900-1909 22   22
1910-1919      
1920-1929      
1930-1939      
1940-1949      
1950-1959 1   1
1960-19691582  61
1970-1974 1181  119
1975-1979 1402  142
1980-19841139732  440
1985-1989601,593183  1,836
1990-19943503,119267  3,736
19954696346  1,055
19962099349  1,062
1997571,46184  1,602
1998131,82330  1,866
1999362,53255  2,623
20001113,11780  3,308
2001214,18219  4,222
200244,52524  4,553
2003316,03825  6,094
200426,28624 106,322
2005153,7352  3,752
20061289   290
Totals77941,39292501043,106
Percent of
Circulation
2.04%6.30%4.02%0%0.20%5.89%

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
1211,07200

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