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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 2 |
| 1971 | 1 |
| 1972 | 1 |
| 1974 | 2 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 27 |
| 1978 | 139 |
| 1979 | 201 |
| 1980 | 336 |
| 1981 | 342 |
| 1982 | 420 |
| 1983 | 505 |
| 1984 | 687 |
| 1985 | 737 |
| 1986 | 918 |
| 1987 | 981 |
| 1988 | 1080 |
| 1989 | 1434 |
| 1990 | 1859 |
| 1991 | 1861 |
| 1992 | 1960 |
| 1993 | 2044 |
| 1994 | 2117 |
| 1995 | 2301 |
| 1996 | 2468 |
| 1997 | 2804 |
| 1998 | 3129 |
| 1999 | 3488 |
| 2000 | 3859 |
| 2001 | 4104 |
| 2002 | 4350 |
| 2003 | 4759 |
| 2004 | 5152 |
| 2005 | 5231 |
| 2006 | 5069 |
| 2007 | 5055 |
| 2008 | 5117 |
| 2009 | 4971 |
| 2010 | 5193 |
| 2011 | 5580 |
| 2012 | 5462 |
| 2013 | 5619 |
| 2014 | 4968 |
| 2015 | 4795 |
| 2016 | 4316 |
| 2017 | 4106 |
| 2018 | 3890 |
| 2019 | 3833 |
| 2020 | 4246 |
| 2021 | 4363 |
| 2022 | 2894 |
| 2023 | 1882 |
| 2024 | 3694 |
| 2025 | 2314 |
| 2026 | 1 |