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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1948 | 2 |
| 1951 | 5 |
| 1952 | 2 |
| 1953 | 1 |
| 1954 | 5 |
| 1955 | 3 |
| 1956 | 1 |
| 1957 | 3 |
| 1958 | 2 |
| 1959 | 4 |
| 1960 | 3 |
| 1961 | 4 |
| 1962 | 3 |
| 1963 | 23 |
| 1964 | 34 |
| 1965 | 70 |
| 1966 | 110 |
| 1967 | 99 |
| 1968 | 106 |
| 1969 | 97 |
| 1970 | 74 |
| 1971 | 106 |
| 1972 | 148 |
| 1973 | 178 |
| 1974 | 244 |
| 1975 | 217 |
| 1976 | 221 |
| 1977 | 186 |
| 1978 | 221 |
| 1979 | 153 |
| 1980 | 149 |
| 1981 | 149 |
| 1982 | 139 |
| 1983 | 91 |
| 1984 | 113 |
| 1985 | 116 |
| 1986 | 128 |
| 1987 | 127 |
| 1988 | 157 |
| 1989 | 164 |
| 1990 | 153 |
| 1991 | 178 |
| 1992 | 122 |
| 1993 | 107 |
| 1994 | 89 |
| 1995 | 98 |
| 1996 | 127 |
| 1997 | 130 |
| 1998 | 134 |
| 1999 | 107 |
| 2000 | 150 |
| 2001 | 159 |
| 2002 | 147 |
| 2003 | 129 |
| 2004 | 147 |
| 2005 | 164 |
| 2006 | 194 |
| 2007 | 185 |
| 2008 | 211 |
| 2009 | 198 |
| 2010 | 245 |
| 2011 | 174 |
| 2012 | 177 |
| 2013 | 205 |
| 2014 | 246 |
| 2015 | 224 |
| 2016 | 227 |
| 2017 | 122 |
| 2018 | 118 |
| 2019 | 126 |
| 2020 | 113 |
| 2021 | 101 |
| 2022 | 46 |
| 2023 | 39 |
| 2024 | 10 |