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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 1 |
| 1978 | 4 |
| 1979 | 4 |
| 1980 | 11 |
| 1981 | 16 |
| 1982 | 38 |
| 1983 | 49 |
| 1984 | 61 |
| 1985 | 65 |
| 1986 | 112 |
| 1987 | 132 |
| 1988 | 200 |
| 1989 | 229 |
| 1990 | 261 |
| 1991 | 259 |
| 1992 | 290 |
| 1993 | 246 |
| 1994 | 250 |
| 1995 | 314 |
| 1996 | 246 |
| 1997 | 282 |
| 1998 | 360 |
| 1999 | 401 |
| 2000 | 316 |
| 2001 | 302 |
| 2002 | 295 |
| 2003 | 303 |
| 2004 | 273 |
| 2005 | 292 |
| 2006 | 264 |
| 2007 | 263 |
| 2008 | 306 |
| 2009 | 271 |
| 2010 | 267 |
| 2011 | 278 |
| 2012 | 244 |
| 2013 | 262 |
| 2014 | 226 |
| 2015 | 242 |
| 2016 | 274 |
| 2017 | 267 |
| 2018 | 223 |
| 2019 | 222 |
| 2020 | 244 |
| 2021 | 228 |
| 2022 | 258 |
| 2023 | 196 |
| 2024 | 75 |