Compact Discs


Volume, Title, and Unique Books data collected on May 31, 2012. (Revised Aug 30, 2012)
Circulation statistics for the ALC fiscal year ending May 31, 2012.

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      
1900-1909341 210
1910-1919      
1920-1929      
1930-1939      
1940-1949      
1950-19597 2  9
1960-196914108 335
1970-197423144 546
1975-1979241613 1164
1980-1984835666 71276
1985-1989383281536 2671,467
1990-19946335301,107 2332,503
1995-19991,1811,0801,062 783,401
2000-20041,5023,054904 855,545
2005653896222 81,779
20065241,002340 31,869
20073341,055196 91,594
20083841,093378 101,865
20094211,215274 91,919
2010450939205 41,598
20112360463 5695
2012 3478  355
Totals6,64212,1965,389080325,030
Average Age200120041999NA19912002
Percent of
Collection
2.09%3.89%3.07%0%0.98%2.42%

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      
1900-1909221 27
1910-1919      
1920-1929      
1930-1939      
1940-1949      
1950-19593 2  5
1960-19691188 330
1970-197411134 532
1975-1979131612 1152
1980-1984555364 69229
1985-1989250252494 2471,206
1990-19943844771,002 1801,975
1995-1999700970908 642,561
2000-20046652,373774 473,812
2005241628169 81,038
2006303666316 31,279
2007177656140 8977
2008168681256 91,108
2009167750136 91,058
201014356890 4805
2011439145 5443
2012 2338  241
Totals3,2978,7374,429067416,858
Average Age200020031998NA19912001
Percent of
Collection
1.29%4.34%2.84%0%0.91%2.42%

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     
1900-1909111 2
1910-1919     
1920-1929     
1930-1939     
1940-1949     
1950-1959  2  
1960-1969577 3
1970-19744114 5
1975-197951511 11
1980-1984284658 58
1985-1989147224443 218
1990-1994177417897 152
1995-1999346868792 43
2000-20042281,842666 31
200596426140 7
2006125430292 3
200775385126 1
200884402220 4
200977425114 7
20106729677 2
2011124041 2
2012 1487  
Totals1,4666,1833,8980549
Average Age199920031998NA1990

Total Circulation

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

Patron System
ACUAPLHSU McMCJCHPUTotal
ACU Items22532302235
APL Items1,18945,0926535690647,509
HSU Items201,4593001,464
McM Items0000000
HPU Items2000002
Totals1,41845,0952,1145750849,210

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 1   1
1910-1919      
1920-1929      
1930-1939      
1940-1949      
1950-1959      
1960-1969 25   25
1970-1974 392  41
1975-1979 283  31
1980-1984214015  157
1985-19897741164  912
1990-199451,103260  1,368
1995-1999192,614290 22,925
2000-2004959,028268  9,391
2005123,15071  3,233
2006153,59049  3,654
2007204,12994  4,243
2008294,490108  4,627
2009246,303103  6,430
201066,90831  6,945
201114,7886  4,795
2012 432   432
Totals23547,5091,4640249,210
Percent of
Circulation
0.90%7.35%7.48%0%0.08%7.04%

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
39023200

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