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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1975 | 2 |
| 1976 | 2 |
| 1977 | 7 |
| 1978 | 27 |
| 1979 | 54 |
| 1980 | 78 |
| 1981 | 71 |
| 1982 | 101 |
| 1983 | 123 |
| 1984 | 147 |
| 1985 | 181 |
| 1986 | 185 |
| 1987 | 232 |
| 1988 | 175 |
| 1989 | 183 |
| 1990 | 194 |
| 1991 | 262 |
| 1992 | 218 |
| 1993 | 251 |
| 1994 | 235 |
| 1995 | 228 |
| 1996 | 226 |
| 1997 | 282 |
| 1998 | 231 |
| 1999 | 240 |
| 2000 | 221 |
| 2001 | 279 |
| 2002 | 228 |
| 2003 | 220 |
| 2004 | 203 |
| 2005 | 222 |
| 2006 | 213 |
| 2007 | 288 |
| 2008 | 301 |
| 2009 | 304 |
| 2010 | 298 |
| 2011 | 355 |
| 2012 | 376 |
| 2013 | 390 |
| 2014 | 331 |
| 2015 | 357 |
| 2016 | 324 |
| 2017 | 338 |
| 2018 | 351 |
| 2019 | 342 |
| 2020 | 206 |
| 2021 | 204 |
| 2022 | 17 |
| 2023 | 11 |
| 2024 | 290 |
| 2025 | 203 |