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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 3 |
| 1975 | 15 |
| 1976 | 33 |
| 1977 | 33 |
| 1978 | 32 |
| 1979 | 38 |
| 1980 | 23 |
| 1981 | 27 |
| 1982 | 37 |
| 1983 | 61 |
| 1984 | 95 |
| 1985 | 96 |
| 1986 | 125 |
| 1987 | 107 |
| 1988 | 102 |
| 1989 | 118 |
| 1990 | 109 |
| 1991 | 86 |
| 1992 | 148 |
| 1993 | 134 |
| 1994 | 166 |
| 1995 | 154 |
| 1996 | 173 |
| 1997 | 141 |
| 1998 | 193 |
| 1999 | 164 |
| 2000 | 212 |
| 2001 | 184 |
| 2002 | 158 |
| 2003 | 186 |
| 2004 | 198 |
| 2005 | 208 |
| 2006 | 212 |
| 2007 | 277 |
| 2008 | 256 |
| 2009 | 266 |
| 2010 | 274 |
| 2011 | 316 |
| 2012 | 298 |
| 2013 | 307 |
| 2014 | 299 |
| 2015 | 302 |
| 2016 | 275 |
| 2017 | 268 |
| 2018 | 290 |
| 2019 | 298 |
| 2020 | 256 |
| 2021 | 246 |
| 2022 | 157 |
| 2023 | 112 |
| 2024 | 30 |