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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1961 | 1 |
| 1965 | 19 |
| 1966 | 11 |
| 1967 | 34 |
| 1968 | 37 |
| 1969 | 47 |
| 1970 | 63 |
| 1971 | 38 |
| 1972 | 23 |
| 1973 | 36 |
| 1974 | 26 |
| 1975 | 18 |
| 1976 | 7 |
| 1977 | 28 |
| 1978 | 22 |
| 1979 | 34 |
| 1980 | 14 |
| 1981 | 21 |
| 1982 | 34 |
| 1983 | 31 |
| 1984 | 30 |
| 1985 | 31 |
| 1986 | 37 |
| 1987 | 45 |
| 1988 | 45 |
| 1989 | 48 |
| 1990 | 42 |
| 1991 | 45 |
| 1992 | 80 |
| 1993 | 80 |
| 1994 | 91 |
| 1995 | 84 |
| 1996 | 89 |
| 1997 | 162 |
| 1998 | 160 |
| 1999 | 124 |
| 2000 | 133 |
| 2001 | 141 |
| 2002 | 195 |
| 2003 | 165 |
| 2004 | 178 |
| 2005 | 185 |
| 2006 | 204 |
| 2007 | 187 |
| 2008 | 259 |
| 2009 | 263 |
| 2010 | 311 |
| 2011 | 338 |
| 2012 | 314 |
| 2013 | 251 |
| 2014 | 258 |
| 2015 | 195 |
| 2016 | 125 |
| 2017 | 115 |
| 2018 | 109 |
| 2019 | 112 |
| 2020 | 92 |
| 2021 | 102 |
| 2022 | 61 |
| 2023 | 54 |
| 2024 | 11 |