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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1948 | 1 |
| 1952 | 4 |
| 1953 | 8 |
| 1954 | 12 |
| 1955 | 14 |
| 1956 | 12 |
| 1957 | 10 |
| 1958 | 5 |
| 1959 | 17 |
| 1960 | 7 |
| 1961 | 11 |
| 1962 | 7 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 28 |
| 1966 | 37 |
| 1967 | 39 |
| 1968 | 37 |
| 1969 | 48 |
| 1970 | 39 |
| 1971 | 44 |
| 1972 | 47 |
| 1973 | 42 |
| 1974 | 59 |
| 1975 | 47 |
| 1976 | 50 |
| 1977 | 46 |
| 1978 | 50 |
| 1979 | 38 |
| 1980 | 49 |
| 1981 | 46 |
| 1982 | 39 |
| 1983 | 52 |
| 1984 | 58 |
| 1985 | 77 |
| 1986 | 68 |
| 1987 | 73 |
| 1988 | 80 |
| 1989 | 76 |
| 1990 | 75 |
| 1991 | 81 |
| 1992 | 98 |
| 1993 | 78 |
| 1994 | 79 |
| 1995 | 103 |
| 1996 | 94 |
| 1997 | 104 |
| 1998 | 113 |
| 1999 | 116 |
| 2000 | 102 |
| 2001 | 99 |
| 2002 | 108 |
| 2003 | 117 |
| 2004 | 115 |
| 2005 | 119 |
| 2006 | 149 |
| 2007 | 139 |
| 2008 | 154 |
| 2009 | 169 |
| 2010 | 184 |
| 2011 | 200 |
| 2012 | 195 |
| 2013 | 197 |
| 2014 | 190 |
| 2015 | 205 |
| 2016 | 196 |
| 2017 | 163 |
| 2018 | 159 |
| 2019 | 147 |
| 2020 | 155 |
| 2021 | 116 |
| 2022 | 84 |
| 2023 | 72 |
| 2024 | 59 |