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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 2 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 3 |
| 1960 | 1 |
| 1962 | 1 |
| 1963 | 5 |
| 1964 | 2 |
| 1965 | 1 |
| 1968 | 1 |
| 1974 | 2 |
| 1977 | 14 |
| 1978 | 21 |
| 1979 | 26 |
| 1980 | 62 |
| 1981 | 125 |
| 1982 | 147 |
| 1983 | 180 |
| 1984 | 197 |
| 1985 | 201 |
| 1986 | 263 |
| 1987 | 235 |
| 1988 | 276 |
| 1989 | 271 |
| 1990 | 329 |
| 1991 | 274 |
| 1992 | 432 |
| 1993 | 376 |
| 1994 | 420 |
| 1995 | 407 |
| 1996 | 392 |
| 1997 | 393 |
| 1998 | 412 |
| 1999 | 390 |
| 2000 | 494 |
| 2001 | 441 |
| 2002 | 445 |
| 2003 | 423 |
| 2004 | 412 |
| 2005 | 445 |
| 2006 | 465 |
| 2007 | 504 |
| 2008 | 493 |
| 2009 | 476 |
| 2010 | 511 |
| 2011 | 573 |
| 2012 | 586 |
| 2013 | 524 |
| 2014 | 502 |
| 2015 | 521 |
| 2016 | 488 |
| 2017 | 441 |
| 2018 | 480 |
| 2019 | 434 |
| 2020 | 399 |
| 2021 | 350 |
| 2022 | 283 |
| 2023 | 209 |
| 2024 | 84 |