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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 3 |
| 1953 | 1 |
| 1954 | 1 |
| 1956 | 1 |
| 1958 | 1 |
| 1959 | 2 |
| 1960 | 1 |
| 1961 | 2 |
| 1964 | 2 |
| 1965 | 1 |
| 1975 | 10 |
| 1976 | 21 |
| 1977 | 14 |
| 1978 | 15 |
| 1979 | 21 |
| 1980 | 25 |
| 1981 | 27 |
| 1982 | 17 |
| 1983 | 17 |
| 1984 | 16 |
| 1985 | 29 |
| 1986 | 29 |
| 1987 | 31 |
| 1988 | 38 |
| 1989 | 34 |
| 1990 | 48 |
| 1991 | 62 |
| 1992 | 58 |
| 1993 | 51 |
| 1994 | 68 |
| 1995 | 75 |
| 1996 | 91 |
| 1997 | 81 |
| 1998 | 108 |
| 1999 | 106 |
| 2000 | 128 |
| 2001 | 144 |
| 2002 | 123 |
| 2003 | 159 |
| 2004 | 141 |
| 2005 | 195 |
| 2006 | 261 |
| 2007 | 201 |
| 2008 | 250 |
| 2009 | 260 |
| 2010 | 335 |
| 2011 | 333 |
| 2012 | 383 |
| 2013 | 360 |
| 2014 | 371 |
| 2015 | 404 |
| 2016 | 412 |
| 2017 | 422 |
| 2018 | 466 |
| 2019 | 494 |
| 2020 | 772 |
| 2021 | 554 |
| 2022 | 321 |
| 2023 | 228 |
| 2024 | 71 |