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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1973 | 1 |
| 1978 | 1 |
| 1981 | 2 |
| 1984 | 1 |
| 1986 | 1 |
| 1987 | 2 |
| 1988 | 1 |
| 1989 | 5 |
| 1990 | 6 |
| 1991 | 2 |
| 1992 | 3 |
| 1993 | 3 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 3 |
| 1997 | 3 |
| 1998 | 5 |
| 1999 | 14 |
| 2000 | 26 |
| 2001 | 26 |
| 2002 | 42 |
| 2003 | 75 |
| 2004 | 125 |
| 2005 | 135 |
| 2006 | 127 |
| 2007 | 202 |
| 2008 | 172 |
| 2009 | 151 |
| 2010 | 169 |
| 2011 | 165 |
| 2012 | 183 |
| 2013 | 208 |
| 2014 | 276 |
| 2015 | 325 |
| 2016 | 347 |
| 2017 | 382 |
| 2018 | 378 |
| 2019 | 346 |
| 2020 | 398 |
| 2021 | 415 |
| 2022 | 343 |
| 2023 | 57 |