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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 7 |
| 1966 | 24 |
| 1967 | 23 |
| 1968 | 20 |
| 1969 | 5 |
| 1970 | 24 |
| 1971 | 10 |
| 1972 | 3 |
| 1973 | 3 |
| 1974 | 18 |
| 1975 | 11 |
| 1976 | 9 |
| 1977 | 10 |
| 1978 | 28 |
| 1979 | 42 |
| 1980 | 734 |
| 1981 | 1440 |
| 1982 | 1341 |
| 1983 | 1285 |
| 1984 | 1229 |
| 1985 | 1252 |
| 1986 | 1166 |
| 1987 | 1180 |
| 1988 | 1170 |
| 1989 | 1266 |
| 1990 | 1337 |
| 1991 | 1461 |
| 1992 | 1408 |
| 1993 | 1267 |
| 1994 | 1334 |
| 1995 | 1460 |
| 1996 | 1430 |
| 1997 | 1586 |
| 1998 | 1466 |
| 1999 | 1530 |
| 2000 | 1551 |
| 2001 | 1570 |
| 2002 | 1485 |
| 2003 | 1700 |
| 2004 | 1679 |
| 2005 | 1881 |
| 2006 | 2948 |
| 2007 | 3078 |
| 2008 | 3487 |
| 2009 | 3479 |
| 2010 | 3619 |
| 2011 | 3670 |
| 2012 | 3846 |
| 2013 | 4021 |
| 2014 | 3990 |
| 2015 | 4173 |
| 2016 | 1344 |
| 2017 | 8 |
| 2018 | 1 |
| 2024 | 1 |