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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 26 |
| 1967 | 145 |
| 1968 | 276 |
| 1969 | 345 |
| 1970 | 428 |
| 1971 | 472 |
| 1972 | 477 |
| 1973 | 399 |
| 1974 | 373 |
| 1975 | 375 |
| 1976 | 350 |
| 1977 | 348 |
| 1978 | 308 |
| 1979 | 340 |
| 1980 | 280 |
| 1981 | 271 |
| 1982 | 261 |
| 1983 | 254 |
| 1984 | 264 |
| 1985 | 238 |
| 1986 | 224 |
| 1987 | 262 |
| 1988 | 250 |
| 1989 | 285 |
| 1990 | 273 |
| 1991 | 327 |
| 1992 | 290 |
| 1993 | 271 |
| 1994 | 251 |
| 1995 | 339 |
| 1996 | 317 |
| 1997 | 294 |
| 1998 | 326 |
| 1999 | 298 |
| 2000 | 364 |
| 2001 | 335 |
| 2002 | 347 |
| 2003 | 333 |
| 2004 | 357 |
| 2005 | 345 |
| 2006 | 393 |
| 2007 | 418 |
| 2008 | 474 |
| 2009 | 492 |
| 2010 | 411 |
| 2011 | 421 |
| 2012 | 419 |
| 2013 | 424 |
| 2014 | 432 |
| 2015 | 420 |
| 2016 | 432 |
| 2017 | 358 |
| 2018 | 433 |
| 2019 | 422 |
| 2020 | 406 |
| 2021 | 403 |
| 2022 | 64 |
| 2023 | 18 |
| 2024 | 41 |