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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 2 |
| 1952 | 1 |
| 1953 | 5 |
| 1957 | 2 |
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 6 |
| 1962 | 6 |
| 1963 | 17 |
| 1964 | 20 |
| 1965 | 19 |
| 1966 | 18 |
| 1967 | 30 |
| 1968 | 29 |
| 1969 | 21 |
| 1970 | 24 |
| 1971 | 28 |
| 1972 | 21 |
| 1973 | 25 |
| 1974 | 21 |
| 1975 | 20 |
| 1976 | 24 |
| 1977 | 26 |
| 1978 | 32 |
| 1979 | 30 |
| 1980 | 40 |
| 1981 | 45 |
| 1982 | 58 |
| 1983 | 83 |
| 1984 | 79 |
| 1985 | 69 |
| 1986 | 66 |
| 1987 | 66 |
| 1988 | 63 |
| 1989 | 80 |
| 1990 | 70 |
| 1991 | 105 |
| 1992 | 107 |
| 1993 | 96 |
| 1994 | 89 |
| 1995 | 110 |
| 1996 | 138 |
| 1997 | 136 |
| 1998 | 132 |
| 1999 | 114 |
| 2000 | 176 |
| 2001 | 151 |
| 2002 | 153 |
| 2003 | 151 |
| 2004 | 130 |
| 2005 | 168 |
| 2006 | 204 |
| 2007 | 150 |
| 2008 | 164 |
| 2009 | 153 |
| 2010 | 155 |
| 2011 | 191 |
| 2012 | 205 |
| 2013 | 229 |
| 2014 | 188 |
| 2015 | 225 |
| 2016 | 209 |
| 2017 | 222 |
| 2018 | 232 |
| 2019 | 200 |
| 2020 | 261 |
| 2021 | 288 |
| 2022 | 271 |
| 2023 | 220 |
| 2024 | 101 |