Table 5
Collection Growth Statistics, 1997/98
1993/94
1994/95
1995/96
1996/97
1997/98
% of Change
1996/97-1997/98
Volumes             
Monograph volumes added       19,960      15,923      13,132      9,828       14,356  
Serial and bound periodical volumes added         5,255        3,782         4,205       3,706        4,109  
SUB TOTAL       25,215       19,705      17,337     13,534      18,465  
Volumes withdrawn       12,116         3,689        2,489        2,559        5,477  
TOTAL CATALOGED VOLUMES     766,481      782,497    797,345     808,320    821,308 +1.6%
             
Government documents     400,602     421,102    430,681    436,681    444,507 +1.9%
Cataloging backlogs         6,960        4,800        2,398       1,790        3,000  
TOTAL # OF VOLUMES  1,174,043 1,208,399 1,230,424 1,246,791 1,268,815 +1.8%
             
Non-book materials            
Sound recordings       16,190      16,354      16,665      17,136      17,360  
Videocassettes         1,705        1,857        1,917        2,010        2,074  
Audiocassettes            616           639           639           774           869  
Multimedia and CD-ROMS              18            49             71            95           9511  
TOTAL CATALOGED NON-BOOK MATERIALS       18,529     18,899      19,292     20,015      21,246  +6.1%
Cataloging backlogs              55           77             17            60           162  
             
Microform pieces 1,495,767 1,520,252 1,542,906 1,559,362 1,576,998 +1.1% 
Archives and manuscripts         3,420         3,584         3,705        3,899        4,133 cubic feet
Periodical and Serial subscriptions         4,844        4,844        4,803        4,243        4,243  

1 First year in which CD-ROMS are included in this category

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