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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 26 |
| 1976 | 36 |
| 1977 | 67 |
| 1978 | 60 |
| 1979 | 96 |
| 1980 | 112 |
| 1981 | 118 |
| 1982 | 119 |
| 1983 | 126 |
| 1984 | 127 |
| 1985 | 134 |
| 1986 | 115 |
| 1987 | 107 |
| 1988 | 114 |
| 1989 | 108 |
| 1990 | 119 |
| 1991 | 130 |
| 1992 | 150 |
| 1993 | 146 |
| 1994 | 152 |
| 1995 | 160 |
| 1996 | 163 |
| 1997 | 173 |
| 1998 | 183 |
| 1999 | 196 |
| 2000 | 229 |
| 2001 | 208 |
| 2002 | 240 |
| 2003 | 270 |
| 2004 | 263 |
| 2005 | 304 |
| 2006 | 295 |
| 2007 | 366 |
| 2008 | 327 |
| 2009 | 332 |
| 2010 | 355 |
| 2011 | 370 |
| 2012 | 355 |
| 2013 | 359 |
| 2014 | 345 |
| 2015 | 280 |
| 2016 | 280 |
| 2017 | 298 |
| 2018 | 278 |
| 2019 | 266 |
| 2020 | 279 |
| 2021 | 286 |
| 2022 | 267 |
| 2023 | 239 |
| 2024 | 189 |