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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1975 | 3 |
| 1976 | 7 |
| 1977 | 5 |
| 1978 | 6 |
| 1979 | 6 |
| 1980 | 5 |
| 1981 | 2 |
| 1982 | 2 |
| 1983 | 3 |
| 1984 | 3 |
| 1985 | 12 |
| 1987 | 3 |
| 1988 | 2 |
| 1989 | 5 |
| 1990 | 9 |
| 1991 | 29 |
| 1992 | 74 |
| 1993 | 85 |
| 1994 | 85 |
| 1995 | 93 |
| 1996 | 171 |
| 1997 | 226 |
| 1998 | 284 |
| 1999 | 357 |
| 2000 | 349 |
| 2001 | 382 |
| 2002 | 397 |
| 2003 | 441 |
| 2004 | 411 |
| 2005 | 438 |
| 2006 | 472 |
| 2007 | 519 |
| 2008 | 525 |
| 2009 | 526 |
| 2010 | 501 |
| 2011 | 477 |
| 2012 | 515 |
| 2013 | 435 |
| 2014 | 375 |
| 2015 | 353 |
| 2016 | 223 |
| 2017 | 233 |
| 2018 | 265 |
| 2019 | 183 |
| 2020 | 153 |
| 2021 | 134 |
| 2022 | 110 |
| 2023 | 77 |
| 2024 | 38 |