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Detailed Indexing Statistics: 1965-2007
Printer-friendly Version| Fiscal Year (Oct. 1-Sep. 30) |
Number of Journals Indexed in Index Medicus |
Number of Journals in MEDLINE® |
Number of Citations in MEDLINE® |
Total Citations |
| 2007 | 4,530 | 5,194 | 670,943 | 16,113,221 |
| 2006 | 4,416 | 5,020 | 623,089 | 14,103,589 |
| 2005 | 4,279 | 4,928 | 606,000 | 13,476,222 |
| 2004 | 4,189 | 4,839 | 571,000 | -- |
| 2003 | 3,934 | 4,697 | 526,000 | -- |
| 2002 | 3,834 | 4,538 | 502,000 | -- |
| 2001 | 3,636 | 4,537 | 463,000 | -- |
| 2000 | 3,472 | 4,332 | 442,000 | 10,796,185 |
| 1999 | 3,394 | 4,261 | 434,000 | -- |
| 1998 | 3,302 | 3,931 | 411,921 | -- |
| 1997 | 3,211 | 3,874 | 519,012 | -- |
| 1996 | 3,205 | 3,868 | 322,825 | -- |
| 1995 | 3,147 | 3,823 | 392,354 | 8,665,427 |
| 1994 | 3,127 | -- | 367,877 | -- |
| 1993 | 3,058 | -- | 376,312 | -- |
| 1992 | 3,048 | -- | 401,562 | -- |
| 1991 | 3,020 | -- | 363,344 | -- |
| 1990 | 2,973 | -- | 391,172 | 6,769,918 |
| 1989 | 2,888 | -- | 372,806 | -- |
| 1988 | 2,697 | -- | 329,019 | -- |
| 1987 | 2,786 | -- | 326,162 | -- |
| 1986 | 2,740 | -- | 316,585 | -- |
| 1985 | 2,730 | -- | 307,333 | 5,029,234 |
| 1984 | 2,695 | -- | 306,263 | -- |
| 1983 | 2,709 | -- | 310,445 | -- |
| 1982 | 2,697 | -- | 282,950 | -- |
| 1981 | 2,664 | -- | 279,105 | -- |
| 1980 | 2,661 | -- | 266,730 | 3,543,128 |
| 1979 | 2,595 | -- | 254,210 | -- |
| 1978 | 2,543 | -- | 232,563 | -- |
| 1977 | 2,525 | -- | 259,980 | -- |
| 1976 | 2,410 | -- | 320,700 | -- |
| 1975 | 2,353 | 3,823 | 220,800 | 2,208,945 |
| 1974 | 2,275 | 3,868 | 224,318 | -- |
| 1973 | 2,194 | 3,874 | 207,816 | -- |
| 1972 | 2,246 | 3,931 | 233,377 | -- |
| 1971 | 2,199 | 4,261 | 224,619 | -- |
| 1970 | 2,251 | 4,332 | 210,000 | 1,098,015 |
| 1969 | 2,260 | 4,537 | 210,602 | -- |
| 1968 | 2,246 | 4,538 | 192,923 | -- |
| 1967 | 2,279 | 4,697 | 168,310 | -- |
| 1966 | 2,436 | 4,839 | 164,545 | -- |
| 1965 | 2,241 | 4,928 | 151,635 | -- |
Last reviewed: 16 January 2008
Last updated: 28 March 2008
First published: 05 August 2003
Metadata| Permanence level: Permanence Not Guaranteed