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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 2 |
| 1970 | 2 |
| 1971 | 1 |
| 1975 | 1 |
| 1976 | 2 |
| 1977 | 3 |
| 1980 | 1 |
| 1981 | 3 |
| 1983 | 1 |
| 1984 | 4 |
| 1985 | 3 |
| 1986 | 1 |
| 1987 | 4 |
| 1990 | 2 |
| 1991 | 5 |
| 1992 | 6 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 12 |
| 1996 | 9 |
| 1997 | 22 |
| 1998 | 16 |
| 1999 | 25 |
| 2000 | 31 |
| 2001 | 29 |
| 2002 | 50 |
| 2003 | 93 |
| 2004 | 89 |
| 2005 | 103 |
| 2006 | 130 |
| 2007 | 164 |
| 2008 | 236 |
| 2009 | 248 |
| 2010 | 303 |
| 2011 | 347 |
| 2012 | 376 |
| 2013 | 431 |
| 2014 | 447 |
| 2015 | 456 |
| 2016 | 438 |
| 2017 | 434 |
| 2018 | 449 |
| 2019 | 502 |
| 2020 | 569 |
| 2021 | 579 |
| 2022 | 558 |
| 2023 | 59 |