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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 24 |
| 1966 | 55 |
| 1967 | 82 |
| 1968 | 106 |
| 1969 | 76 |
| 1970 | 119 |
| 1971 | 128 |
| 1972 | 150 |
| 1973 | 166 |
| 1974 | 175 |
| 1975 | 201 |
| 1976 | 279 |
| 1977 | 329 |
| 1978 | 331 |
| 1979 | 447 |
| 1980 | 515 |
| 1981 | 664 |
| 1982 | 849 |
| 1983 | 705 |
| 1984 | 771 |
| 1985 | 1185 |
| 1986 | 1457 |
| 1987 | 2000 |
| 1988 | 2749 |
| 1989 | 3381 |
| 1990 | 4037 |
| 1991 | 4473 |
| 1992 | 4799 |
| 1993 | 5138 |
| 1994 | 5544 |
| 1995 | 6040 |
| 1996 | 6172 |
| 1997 | 5786 |
| 1998 | 5981 |
| 1999 | 6079 |
| 2000 | 6445 |
| 2001 | 6639 |
| 2002 | 6617 |
| 2003 | 6362 |
| 2004 | 6374 |
| 2005 | 6522 |
| 2006 | 6736 |
| 2007 | 6944 |
| 2008 | 6718 |
| 2009 | 6651 |
| 2010 | 6911 |
| 2011 | 7364 |
| 2012 | 7161 |
| 2013 | 6989 |
| 2014 | 6592 |
| 2015 | 6293 |
| 2016 | 5670 |
| 2017 | 5458 |
| 2018 | 4949 |
| 2019 | 4347 |
| 2020 | 4062 |
| 2021 | 3188 |
| 2022 | 2494 |
| 2023 | 2019 |
| 2024 | 849 |