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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1969 | 1 |
| 1974 | 2 |
| 1975 | 9 |
| 1976 | 7 |
| 1977 | 8 |
| 1978 | 11 |
| 1979 | 9 |
| 1980 | 5 |
| 1981 | 8 |
| 1982 | 17 |
| 1983 | 23 |
| 1984 | 23 |
| 1985 | 25 |
| 1986 | 21 |
| 1987 | 24 |
| 1988 | 27 |
| 1989 | 40 |
| 1990 | 38 |
| 1991 | 62 |
| 1992 | 58 |
| 1993 | 71 |
| 1994 | 73 |
| 1995 | 101 |
| 1996 | 102 |
| 1997 | 114 |
| 1998 | 111 |
| 1999 | 126 |
| 2000 | 143 |
| 2001 | 139 |
| 2002 | 156 |
| 2003 | 132 |
| 2004 | 148 |
| 2005 | 167 |
| 2006 | 173 |
| 2007 | 189 |
| 2008 | 229 |
| 2009 | 243 |
| 2010 | 254 |
| 2011 | 291 |
| 2012 | 301 |
| 2013 | 351 |
| 2014 | 381 |
| 2015 | 377 |
| 2016 | 398 |
| 2017 | 406 |
| 2018 | 405 |
| 2019 | 423 |
| 2020 | 441 |
| 2021 | 479 |
| 2022 | 374 |
| 2023 | 350 |
| 2024 | 108 |