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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 5 |
| 1952 | 2 |
| 1953 | 4 |
| 1954 | 11 |
| 1955 | 13 |
| 1956 | 9 |
| 1957 | 5 |
| 1958 | 9 |
| 1959 | 4 |
| 1960 | 6 |
| 1961 | 7 |
| 1962 | 1 |
| 1964 | 1 |
| 1965 | 23 |
| 1966 | 41 |
| 1967 | 37 |
| 1968 | 69 |
| 1969 | 56 |
| 1970 | 69 |
| 1971 | 83 |
| 1972 | 58 |
| 1973 | 67 |
| 1974 | 57 |
| 1975 | 74 |
| 1976 | 70 |
| 1977 | 54 |
| 1978 | 65 |
| 1979 | 66 |
| 1980 | 62 |
| 1981 | 65 |
| 1982 | 66 |
| 1983 | 62 |
| 1984 | 74 |
| 1985 | 59 |
| 1986 | 72 |
| 1987 | 67 |
| 1988 | 69 |
| 1989 | 83 |
| 1990 | 106 |
| 1991 | 90 |
| 1992 | 98 |
| 1993 | 98 |
| 1994 | 78 |
| 1995 | 84 |
| 1996 | 68 |
| 1997 | 82 |
| 1998 | 112 |
| 1999 | 95 |
| 2000 | 116 |
| 2001 | 122 |
| 2002 | 98 |
| 2003 | 136 |
| 2004 | 121 |
| 2005 | 133 |
| 2006 | 148 |
| 2007 | 165 |
| 2008 | 164 |
| 2009 | 163 |
| 2010 | 152 |
| 2011 | 186 |
| 2012 | 197 |
| 2013 | 211 |
| 2014 | 222 |
| 2015 | 206 |
| 2016 | 246 |
| 2017 | 216 |
| 2018 | 223 |
| 2019 | 219 |
| 2020 | 229 |
| 2021 | 275 |
| 2022 | 327 |
| 2023 | 238 |
| 2024 | 82 |