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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1962 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1975 | 2 |
| 1976 | 1 |
| 1977 | 14 |
| 1978 | 64 |
| 1979 | 50 |
| 1980 | 78 |
| 1981 | 147 |
| 1982 | 177 |
| 1983 | 229 |
| 1984 | 237 |
| 1985 | 264 |
| 1986 | 342 |
| 1987 | 557 |
| 1988 | 682 |
| 1989 | 853 |
| 1990 | 1205 |
| 1991 | 1403 |
| 1992 | 1524 |
| 1993 | 1566 |
| 1994 | 1804 |
| 1995 | 2106 |
| 1996 | 2403 |
| 1997 | 2749 |
| 1998 | 3071 |
| 1999 | 3557 |
| 2000 | 3682 |
| 2001 | 3679 |
| 2002 | 3694 |
| 2003 | 3822 |
| 2004 | 4039 |
| 2005 | 4452 |
| 2006 | 5046 |
| 2007 | 5408 |
| 2008 | 5606 |
| 2009 | 5918 |
| 2010 | 6411 |
| 2011 | 6951 |
| 2012 | 7663 |
| 2013 | 8771 |
| 2014 | 8723 |
| 2015 | 8803 |
| 2016 | 8929 |
| 2017 | 9166 |
| 2018 | 8742 |
| 2019 | 9229 |
| 2020 | 9116 |
| 2021 | 8410 |
| 2022 | 6333 |
| 2023 | 4099 |
| 2024 | 1706 |