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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1962 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1976 | 2 |
| 1982 | 1 |
| 1983 | 2 |
| 1984 | 3 |
| 1985 | 12 |
| 1986 | 19 |
| 1987 | 22 |
| 1988 | 51 |
| 1989 | 90 |
| 1990 | 107 |
| 1991 | 80 |
| 1992 | 54 |
| 1993 | 49 |
| 1994 | 65 |
| 1995 | 42 |
| 1996 | 59 |
| 1997 | 94 |
| 1998 | 111 |
| 1999 | 77 |
| 2000 | 68 |
| 2001 | 100 |
| 2002 | 136 |
| 2003 | 160 |
| 2004 | 164 |
| 2005 | 252 |
| 2006 | 307 |
| 2007 | 238 |
| 2008 | 209 |
| 2009 | 156 |
| 2010 | 169 |
| 2011 | 169 |
| 2012 | 189 |
| 2013 | 180 |
| 2014 | 193 |
| 2015 | 222 |
| 2016 | 189 |
| 2017 | 105 |
| 2018 | 157 |
| 2019 | 140 |
| 2020 | 119 |
| 2021 | 104 |
| 2022 | 47 |
| 2023 | 43 |
| 2024 | 36 |