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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 7 |
| 1954 | 12 |
| 1955 | 22 |
| 1956 | 12 |
| 1957 | 5 |
| 1959 | 12 |
| 1960 | 15 |
| 1961 | 26 |
| 1962 | 20 |
| 1964 | 5 |
| 1965 | 11 |
| 1966 | 31 |
| 1967 | 42 |
| 1968 | 66 |
| 1969 | 2 |
| 1979 | 2 |
| 1980 | 2 |
| 1982 | 1 |
| 1983 | 1 |
| 1987 | 1 |
| 1988 | 2 |
| 1989 | 41 |
| 1990 | 159 |
| 1991 | 216 |
| 1992 | 220 |
| 1993 | 179 |
| 1994 | 219 |
| 1995 | 213 |
| 1996 | 268 |
| 1997 | 283 |
| 1998 | 332 |
| 1999 | 309 |
| 2000 | 313 |
| 2001 | 255 |
| 2002 | 324 |
| 2003 | 315 |
| 2004 | 356 |
| 2005 | 432 |
| 2006 | 420 |
| 2007 | 434 |
| 2008 | 457 |
| 2009 | 432 |
| 2010 | 497 |
| 2011 | 523 |
| 2012 | 477 |
| 2013 | 544 |
| 2014 | 557 |
| 2015 | 512 |
| 2016 | 452 |
| 2017 | 433 |
| 2018 | 422 |
| 2019 | 401 |
| 2020 | 495 |
| 2021 | 425 |
| 2022 | 347 |
| 2023 | 352 |
| 2024 | 244 |