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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 4 |
| 1963 | 10 |
| 1964 | 10 |
| 1965 | 10 |
| 1966 | 13 |
| 1967 | 19 |
| 1968 | 25 |
| 1969 | 25 |
| 1970 | 25 |
| 1971 | 22 |
| 1972 | 24 |
| 1973 | 20 |
| 1974 | 24 |
| 1975 | 23 |
| 1976 | 30 |
| 1977 | 30 |
| 1978 | 35 |
| 1979 | 28 |
| 1980 | 31 |
| 1981 | 47 |
| 1982 | 48 |
| 1983 | 52 |
| 1984 | 74 |
| 1985 | 80 |
| 1986 | 89 |
| 1987 | 105 |
| 1988 | 107 |
| 1989 | 83 |
| 1990 | 122 |
| 1991 | 103 |
| 1992 | 108 |
| 1993 | 127 |
| 1994 | 128 |
| 1995 | 128 |
| 1996 | 139 |
| 1997 | 158 |
| 1998 | 158 |
| 1999 | 155 |
| 2000 | 170 |
| 2001 | 151 |
| 2002 | 164 |
| 2003 | 168 |
| 2004 | 164 |
| 2005 | 186 |
| 2006 | 164 |
| 2007 | 152 |
| 2008 | 190 |
| 2009 | 174 |
| 2010 | 182 |
| 2011 | 203 |
| 2012 | 207 |
| 2013 | 258 |
| 2014 | 249 |
| 2015 | 225 |
| 2016 | 224 |
| 2017 | 226 |
| 2018 | 232 |
| 2019 | 304 |
| 2020 | 285 |
| 2021 | 319 |
| 2022 | 335 |
| 2023 | 298 |
| 2024 | 117 |