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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1950 | 2 |
| 1954 | 1 |
| 1964 | 1 |
| 1969 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1975 | 1 |
| 1976 | 4 |
| 1977 | 10 |
| 1978 | 5 |
| 1979 | 7 |
| 1980 | 7 |
| 1981 | 6 |
| 1982 | 2 |
| 1983 | 4 |
| 1984 | 6 |
| 1985 | 5 |
| 1986 | 13 |
| 1987 | 8 |
| 1988 | 10 |
| 1989 | 19 |
| 1990 | 15 |
| 1991 | 23 |
| 1992 | 63 |
| 1993 | 119 |
| 1994 | 160 |
| 1995 | 193 |
| 1996 | 255 |
| 1997 | 279 |
| 1998 | 268 |
| 1999 | 313 |
| 2000 | 353 |
| 2001 | 417 |
| 2002 | 353 |
| 2003 | 399 |
| 2004 | 378 |
| 2005 | 418 |
| 2006 | 374 |
| 2007 | 466 |
| 2008 | 467 |
| 2009 | 404 |
| 2010 | 407 |
| 2011 | 444 |
| 2012 | 503 |
| 2013 | 406 |
| 2014 | 364 |
| 2015 | 408 |
| 2016 | 373 |
| 2017 | 334 |
| 2018 | 337 |
| 2019 | 329 |
| 2020 | 300 |
| 2021 | 250 |
| 2022 | 171 |
| 2023 | 120 |
| 2024 | 56 |