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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 6 |
| 1953 | 3 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 7 |
| 1957 | 6 |
| 1958 | 6 |
| 1959 | 10 |
| 1960 | 7 |
| 1961 | 8 |
| 1962 | 6 |
| 1963 | 5 |
| 1964 | 10 |
| 1965 | 6 |
| 1967 | 3 |
| 1978 | 8 |
| 1979 | 15 |
| 1980 | 10 |
| 1981 | 11 |
| 1982 | 22 |
| 1983 | 23 |
| 1984 | 48 |
| 1985 | 54 |
| 1986 | 72 |
| 1987 | 34 |
| 1988 | 56 |
| 1989 | 53 |
| 1990 | 71 |
| 1991 | 71 |
| 1992 | 75 |
| 1993 | 60 |
| 1994 | 77 |
| 1995 | 107 |
| 1996 | 113 |
| 1997 | 127 |
| 1998 | 135 |
| 1999 | 187 |
| 2000 | 209 |
| 2001 | 223 |
| 2002 | 252 |
| 2003 | 265 |
| 2004 | 322 |
| 2005 | 364 |
| 2006 | 329 |
| 2007 | 382 |
| 2008 | 378 |
| 2009 | 422 |
| 2010 | 413 |
| 2011 | 365 |
| 2012 | 347 |
| 2013 | 381 |
| 2014 | 375 |
| 2015 | 404 |
| 2016 | 341 |
| 2017 | 320 |
| 2018 | 291 |
| 2019 | 281 |
| 2020 | 279 |
| 2021 | 263 |
| 2022 | 176 |
| 2023 | 123 |
| 2024 | 40 |