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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 1 |
| 1976 | 6 |
| 1977 | 18 |
| 1978 | 29 |
| 1979 | 24 |
| 1980 | 19 |
| 1981 | 19 |
| 1982 | 27 |
| 1983 | 29 |
| 1984 | 27 |
| 1985 | 51 |
| 1986 | 50 |
| 1987 | 50 |
| 1988 | 60 |
| 1989 | 72 |
| 1990 | 80 |
| 1991 | 92 |
| 1992 | 83 |
| 1993 | 127 |
| 1994 | 98 |
| 1995 | 140 |
| 1996 | 128 |
| 1997 | 121 |
| 1998 | 137 |
| 1999 | 136 |
| 2000 | 140 |
| 2001 | 170 |
| 2002 | 164 |
| 2003 | 178 |
| 2004 | 195 |
| 2005 | 161 |
| 2006 | 221 |
| 2007 | 221 |
| 2008 | 218 |
| 2009 | 220 |
| 2010 | 242 |
| 2011 | 244 |
| 2012 | 246 |
| 2013 | 245 |
| 2014 | 260 |
| 2015 | 245 |
| 2016 | 236 |
| 2017 | 229 |
| 2018 | 206 |
| 2019 | 188 |
| 2020 | 179 |
| 2021 | 149 |
| 2022 | 119 |
| 2023 | 96 |
| 2024 | 32 |