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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 2 |
| 1965 | 28 |
| 1966 | 56 |
| 1967 | 70 |
| 1968 | 79 |
| 1969 | 74 |
| 1970 | 93 |
| 1971 | 114 |
| 1972 | 138 |
| 1973 | 191 |
| 1974 | 215 |
| 1975 | 201 |
| 1976 | 215 |
| 1977 | 224 |
| 1978 | 200 |
| 1979 | 203 |
| 1980 | 210 |
| 1981 | 246 |
| 1982 | 207 |
| 1983 | 248 |
| 1984 | 309 |
| 1985 | 343 |
| 1986 | 346 |
| 1987 | 357 |
| 1988 | 409 |
| 1989 | 413 |
| 1990 | 410 |
| 1991 | 457 |
| 1992 | 405 |
| 1993 | 461 |
| 1994 | 461 |
| 1995 | 453 |
| 1996 | 441 |
| 1997 | 406 |
| 1998 | 423 |
| 1999 | 423 |
| 2000 | 450 |
| 2001 | 427 |
| 2002 | 471 |
| 2003 | 492 |
| 2004 | 470 |
| 2005 | 542 |
| 2006 | 605 |
| 2007 | 590 |
| 2008 | 500 |
| 2009 | 503 |
| 2010 | 491 |
| 2011 | 537 |
| 2012 | 589 |
| 2013 | 567 |
| 2014 | 563 |
| 2015 | 482 |
| 2016 | 439 |
| 2017 | 409 |
| 2018 | 434 |
| 2019 | 396 |
| 2020 | 315 |
| 2021 | 219 |
| 2022 | 43 |
| 2023 | 37 |
| 2024 | 379 |