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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 2 |
| 1971 | 1 |
| 1972 | 2 |
| 1974 | 1 |
| 1976 | 1 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 3 |
| 1983 | 8 |
| 1984 | 7 |
| 1985 | 3 |
| 1986 | 5 |
| 1987 | 5 |
| 1988 | 12 |
| 1989 | 13 |
| 1990 | 22 |
| 1991 | 28 |
| 1992 | 27 |
| 1993 | 41 |
| 1994 | 54 |
| 1995 | 30 |
| 1996 | 66 |
| 1997 | 146 |
| 1998 | 154 |
| 1999 | 200 |
| 2000 | 193 |
| 2001 | 136 |
| 2002 | 109 |
| 2003 | 100 |
| 2004 | 110 |
| 2005 | 102 |
| 2006 | 96 |
| 2007 | 148 |
| 2008 | 142 |
| 2009 | 186 |
| 2010 | 226 |
| 2011 | 336 |
| 2012 | 393 |
| 2013 | 418 |
| 2014 | 473 |
| 2015 | 502 |
| 2016 | 487 |
| 2017 | 572 |
| 2018 | 654 |
| 2019 | 839 |
| 2020 | 648 |
| 2021 | 127 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 1 |