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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1974 | 1 |
| 1976 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 1 |
| 1986 | 4 |
| 1987 | 2 |
| 1988 | 2 |
| 1989 | 6 |
| 1990 | 7 |
| 1991 | 3 |
| 1992 | 6 |
| 1993 | 5 |
| 1994 | 2 |
| 1995 | 4 |
| 1996 | 3 |
| 1997 | 4 |
| 1998 | 8 |
| 1999 | 11 |
| 2000 | 13 |
| 2001 | 17 |
| 2002 | 19 |
| 2003 | 17 |
| 2004 | 28 |
| 2005 | 31 |
| 2006 | 46 |
| 2007 | 55 |
| 2008 | 79 |
| 2009 | 89 |
| 2010 | 83 |
| 2011 | 84 |
| 2012 | 147 |
| 2013 | 140 |
| 2014 | 186 |
| 2015 | 217 |
| 2016 | 244 |
| 2017 | 240 |
| 2018 | 244 |
| 2019 | 274 |
| 2020 | 301 |
| 2021 | 284 |
| 2022 | 337 |
| 2023 | 335 |
| 2024 | 319 |
| 2025 | 167 |