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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 2 |
| 1967 | 2 |
| 1968 | 2 |
| 1969 | 1 |
| 1970 | 2 |
| 1971 | 1 |
| 1972 | 3 |
| 1973 | 4 |
| 1974 | 3 |
| 1975 | 9 |
| 1976 | 6 |
| 1977 | 3 |
| 1978 | 3 |
| 1979 | 2 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 8 |
| 1985 | 21 |
| 1986 | 32 |
| 1987 | 62 |
| 1988 | 685 |
| 1989 | 754 |
| 1990 | 844 |
| 1991 | 875 |
| 1992 | 958 |
| 1993 | 1141 |
| 1994 | 1281 |
| 1995 | 1386 |
| 1996 | 1509 |
| 1997 | 1594 |
| 1998 | 1736 |
| 1999 | 1762 |
| 2000 | 341 |
| 2001 | 280 |
| 2002 | 359 |
| 2003 | 455 |
| 2004 | 530 |
| 2005 | 1926 |
| 2006 | 2748 |
| 2007 | 2850 |
| 2008 | 2929 |
| 2009 | 3174 |
| 2010 | 3356 |
| 2011 | 3630 |
| 2012 | 4256 |
| 2013 | 4591 |
| 2014 | 4624 |
| 2015 | 4772 |
| 2016 | 4405 |
| 2017 | 4324 |
| 2018 | 4935 |
| 2019 | 5317 |
| 2020 | 5931 |
| 2021 | 6459 |
| 2022 | 5534 |
| 2023 | 4938 |
| 2024 | 3062 |