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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 208 |
| 1962 | 276 |
| 1963 | 277 |
| 1964 | 425 |
| 1965 | 398 |
| 1966 | 238 |
| 1967 | 394 |
| 1968 | 526 |
| 1969 | 430 |
| 1970 | 458 |
| 1971 | 497 |
| 1972 | 491 |
| 1973 | 556 |
| 1974 | 508 |
| 1975 | 521 |
| 1976 | 503 |
| 1977 | 549 |
| 1978 | 581 |
| 1979 | 515 |
| 1980 | 467 |
| 1981 | 410 |
| 1982 | 403 |
| 1983 | 406 |
| 1984 | 526 |
| 1985 | 305 |
| 1986 | 263 |
| 1987 | 195 |
| 1988 | 230 |
| 1989 | 219 |
| 1990 | 244 |
| 1991 | 258 |
| 1992 | 274 |
| 1993 | 272 |
| 1994 | 345 |
| 1995 | 273 |
| 1996 | 246 |
| 1997 | 256 |
| 1998 | 265 |
| 1999 | 213 |
| 2000 | 162 |
| 2001 | 201 |
| 2002 | 259 |
| 2003 | 242 |
| 2004 | 283 |
| 2005 | 247 |
| 2006 | 235 |
| 2007 | 278 |
| 2008 | 394 |
| 2009 | 385 |
| 2010 | 639 |
| 2011 | 663 |
| 2012 | 624 |
| 2013 | 561 |
| 2014 | 608 |
| 2015 | 539 |
| 2016 | 559 |
| 2017 | 586 |
| 2018 | 573 |
| 2019 | 672 |
| 2020 | 659 |
| 2021 | 617 |
| 2022 | 509 |
| 2023 | 494 |
| 2024 | 229 |