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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 61 |
| 1970 | 114 |
| 1971 | 76 |
| 1972 | 91 |
| 1973 | 108 |
| 1974 | 134 |
| 1975 | 151 |
| 1976 | 184 |
| 1977 | 201 |
| 1978 | 263 |
| 1979 | 299 |
| 1980 | 300 |
| 1981 | 275 |
| 1982 | 248 |
| 1983 | 289 |
| 1984 | 262 |
| 1985 | 273 |
| 1986 | 267 |
| 1987 | 306 |
| 1988 | 273 |
| 1989 | 290 |
| 1990 | 247 |
| 1991 | 285 |
| 1992 | 308 |
| 1993 | 346 |
| 1994 | 326 |
| 1995 | 361 |
| 1996 | 364 |
| 1997 | 397 |
| 1998 | 413 |
| 1999 | 434 |
| 2000 | 496 |
| 2001 | 453 |
| 2002 | 611 |
| 2003 | 711 |
| 2004 | 623 |
| 2005 | 416 |
| 2006 | 328 |
| 2007 | 327 |
| 2008 | 352 |
| 2009 | 368 |
| 2010 | 361 |
| 2011 | 288 |
| 2012 | 336 |
| 2013 | 302 |
| 2014 | 320 |
| 2015 | 282 |
| 2016 | 259 |
| 2017 | 206 |
| 2018 | 203 |
| 2019 | 258 |
| 2020 | 243 |
| 2021 | 255 |
| 2022 | 239 |
| 2023 | 168 |
| 2024 | 200 |
| 2025 | 223 |