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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 68 |
| 1971 | 82 |
| 1972 | 95 |
| 1973 | 132 |
| 1974 | 134 |
| 1975 | 122 |
| 1976 | 127 |
| 1977 | 134 |
| 1978 | 173 |
| 1979 | 164 |
| 1980 | 208 |
| 1981 | 224 |
| 1982 | 214 |
| 1983 | 229 |
| 1984 | 234 |
| 1985 | 198 |
| 1986 | 211 |
| 1987 | 272 |
| 1988 | 190 |
| 1989 | 217 |
| 1990 | 169 |
| 1991 | 198 |
| 1992 | 179 |
| 1993 | 183 |
| 1994 | 197 |
| 1995 | 188 |
| 1996 | 197 |
| 1997 | 197 |
| 1998 | 164 |
| 1999 | 182 |
| 2000 | 283 |
| 2001 | 229 |
| 2002 | 248 |
| 2003 | 219 |
| 2004 | 271 |
| 2005 | 310 |
| 2006 | 346 |
| 2007 | 362 |
| 2008 | 408 |
| 2009 | 348 |
| 2010 | 354 |
| 2011 | 527 |
| 2012 | 622 |
| 2013 | 638 |
| 2014 | 531 |
| 2015 | 552 |
| 2016 | 601 |
| 2017 | 638 |
| 2018 | 643 |
| 2019 | 528 |
| 2020 | 475 |
| 2021 | 393 |
| 2022 | 321 |
| 2023 | 321 |
| 2024 | 329 |
| 2025 | 454 |
| 2026 | 278 |