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Program
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Subject
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Year
|
Validation
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Copies
Counts by number of copies
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Counts by number of copies
Copy Count
No. of titles
1
381,022
2
54,740
3
15,490
4
7,972
5
4,879
6
3,041
7
2,135
8
1,483
9
1,149
10
917
11
664
12
415
13
222
14
136
15
55
16
19
17
1