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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 33 |
| 1966 | 75 |
| 1967 | 121 |
| 1968 | 160 |
| 1969 | 188 |
| 1970 | 181 |
| 1971 | 225 |
| 1972 | 220 |
| 1973 | 203 |
| 1974 | 231 |
| 1975 | 168 |
| 1976 | 171 |
| 1977 | 200 |
| 1978 | 208 |
| 1979 | 221 |
| 1980 | 197 |
| 1981 | 205 |
| 1982 | 221 |
| 1983 | 226 |
| 1984 | 289 |
| 1985 | 325 |
| 1986 | 342 |
| 1987 | 316 |
| 1988 | 359 |
| 1989 | 383 |
| 1990 | 394 |
| 1991 | 338 |
| 1992 | 376 |
| 1993 | 410 |
| 1994 | 439 |
| 1995 | 473 |
| 1996 | 477 |
| 1997 | 391 |
| 1998 | 378 |
| 1999 | 315 |
| 2000 | 374 |
| 2001 | 389 |
| 2002 | 397 |
| 2003 | 383 |
| 2004 | 373 |
| 2005 | 481 |
| 2006 | 568 |
| 2007 | 595 |
| 2008 | 631 |
| 2009 | 656 |
| 2010 | 648 |
| 2011 | 689 |
| 2012 | 619 |
| 2013 | 647 |
| 2014 | 634 |
| 2015 | 640 |
| 2016 | 604 |
| 2017 | 676 |
| 2018 | 677 |
| 2019 | 645 |
| 2020 | 508 |
| 2021 | 307 |
| 2022 | 38 |
| 2023 | 4 |
| 2024 | 12 |