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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1965 | 13 |
| 1966 | 22 |
| 1967 | 17 |
| 1968 | 13 |
| 1969 | 21 |
| 1970 | 29 |
| 1971 | 22 |
| 1972 | 26 |
| 1973 | 33 |
| 1974 | 27 |
| 1975 | 24 |
| 1976 | 32 |
| 1977 | 26 |
| 1978 | 24 |
| 1979 | 22 |
| 1980 | 27 |
| 1981 | 21 |
| 1982 | 35 |
| 1983 | 20 |
| 1984 | 36 |
| 1985 | 36 |
| 1986 | 38 |
| 1987 | 42 |
| 1988 | 43 |
| 1989 | 65 |
| 1990 | 91 |
| 1991 | 81 |
| 1992 | 83 |
| 1993 | 102 |
| 1994 | 95 |
| 1995 | 117 |
| 1996 | 110 |
| 1997 | 168 |
| 1998 | 131 |
| 1999 | 179 |
| 2000 | 186 |
| 2001 | 193 |
| 2002 | 273 |
| 2003 | 293 |
| 2004 | 345 |
| 2005 | 392 |
| 2006 | 419 |
| 2007 | 396 |
| 2008 | 441 |
| 2009 | 439 |
| 2010 | 454 |
| 2011 | 575 |
| 2012 | 509 |
| 2013 | 472 |
| 2014 | 515 |
| 2015 | 471 |
| 2016 | 438 |
| 2017 | 478 |
| 2018 | 431 |
| 2019 | 460 |
| 2020 | 499 |
| 2021 | 565 |
| 2022 | 708 |
| 2023 | 697 |
| 2024 | 676 |
| 2025 | 461 |
| 2026 | 2 |