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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 8 |
| 1967 | 27 |
| 1968 | 36 |
| 1969 | 55 |
| 1970 | 49 |
| 1971 | 56 |
| 1972 | 63 |
| 1973 | 58 |
| 1974 | 86 |
| 1975 | 56 |
| 1976 | 55 |
| 1977 | 74 |
| 1978 | 54 |
| 1979 | 73 |
| 1980 | 72 |
| 1981 | 79 |
| 1982 | 82 |
| 1983 | 79 |
| 1984 | 99 |
| 1985 | 135 |
| 1986 | 138 |
| 1987 | 150 |
| 1988 | 141 |
| 1989 | 186 |
| 1990 | 234 |
| 1991 | 299 |
| 1992 | 306 |
| 1993 | 310 |
| 1994 | 340 |
| 1995 | 359 |
| 1996 | 339 |
| 1997 | 365 |
| 1998 | 334 |
| 1999 | 373 |
| 2000 | 398 |
| 2001 | 375 |
| 2002 | 326 |
| 2003 | 374 |
| 2004 | 337 |
| 2005 | 335 |
| 2006 | 385 |
| 2007 | 375 |
| 2008 | 406 |
| 2009 | 447 |
| 2010 | 464 |
| 2011 | 445 |
| 2012 | 442 |
| 2013 | 475 |
| 2014 | 478 |
| 2015 | 448 |
| 2016 | 481 |
| 2017 | 482 |
| 2018 | 477 |
| 2019 | 457 |
| 2020 | 449 |
| 2021 | 330 |
| 2022 | 127 |
| 2023 | 72 |
| 2024 | 37 |