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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1966 | 1 |
| 1973 | 2 |
| 1976 | 4 |
| 1977 | 2 |
| 1978 | 2 |
| 1979 | 2 |
| 1980 | 6 |
| 1981 | 2 |
| 1982 | 2 |
| 1983 | 8 |
| 1984 | 5 |
| 1985 | 7 |
| 1986 | 2 |
| 1987 | 16 |
| 1988 | 36 |
| 1989 | 41 |
| 1990 | 84 |
| 1991 | 76 |
| 1992 | 77 |
| 1993 | 130 |
| 1994 | 94 |
| 1995 | 116 |
| 1996 | 100 |
| 1997 | 126 |
| 1998 | 124 |
| 1999 | 150 |
| 2000 | 173 |
| 2001 | 177 |
| 2002 | 213 |
| 2003 | 261 |
| 2004 | 245 |
| 2005 | 318 |
| 2006 | 273 |
| 2007 | 307 |
| 2008 | 268 |
| 2009 | 202 |
| 2010 | 197 |
| 2011 | 184 |
| 2012 | 204 |
| 2013 | 204 |
| 2014 | 266 |
| 2015 | 358 |
| 2016 | 358 |
| 2017 | 398 |
| 2018 | 336 |
| 2019 | 349 |
| 2020 | 347 |
| 2021 | 339 |
| 2022 | 298 |
| 2023 | 294 |
| 2024 | 99 |