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PCC Statistics - NACO/BIBCO/SACO/CONSER at a glance

Total Summary Statistics

Fiscal Year 2002 (October 1, 2001--September 30, 2002)
Category FY 2001 FY2002 FY 2001
as % of FY2000
Total PCC to date
Bibliographic Records (BIBCO) 72,952 82,014 112% 510,765
Bibliographic Record Changes 3,367 4,865 144% 92,988
New Name Authority Records (NACO) 142,555 162,363 114% 1,846,318
New Series Authority Records (NACO) 9,419 10,044 107% 89,335
Changed Names (NACO)** 41,653 43,700 105% **
Changed Series (NACO)** 2,693 2,415 90% **
Total Changed NARs/SARs (NACO) 44,346 46,115 104% 437,792
New Subject Headings (SACO) 2,631 3,165 120% 24,808
Subject Heading Changes (SACO) 388 442 114% 6,254
New Class Numbers (SACO) 2,043 2551 125% 11,534
Class Number Changes (SACO) 92 4 4% 574
Authentications  (CONSER) 26,585 29,246 110% 961,959
Maintenance (CONSER) 37,114 3,5653 96% n/a
**Prior to FY98, these figures were not reported separately; (1) Authentications include CONSER authentications of original records, and subsequent authentications at the full, core, and MLC level. In addition, cleanup projects by OCLC changed 99,803 NARs and SARs in FY2002.
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  January 3, 2008
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