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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1949 | 3 |
| 1950 | 1 |
| 1951 | 5 |
| 1952 | 6 |
| 1953 | 3 |
| 1954 | 3 |
| 1955 | 5 |
| 1956 | 2 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 4 |
| 1961 | 3 |
| 1962 | 4 |
| 1963 | 10 |
| 1964 | 25 |
| 1965 | 33 |
| 1966 | 69 |
| 1967 | 78 |
| 1968 | 118 |
| 1969 | 162 |
| 1970 | 210 |
| 1971 | 170 |
| 1972 | 202 |
| 1973 | 197 |
| 1974 | 203 |
| 1975 | 179 |
| 1976 | 197 |
| 1977 | 195 |
| 1978 | 188 |
| 1979 | 157 |
| 1980 | 153 |
| 1981 | 157 |
| 1982 | 157 |
| 1983 | 160 |
| 1984 | 158 |
| 1985 | 182 |
| 1986 | 182 |
| 1987 | 153 |
| 1988 | 118 |
| 1989 | 118 |
| 1990 | 122 |
| 1991 | 104 |
| 1992 | 99 |
| 1993 | 136 |
| 1994 | 88 |
| 1995 | 111 |
| 1996 | 93 |
| 1997 | 117 |
| 1998 | 70 |
| 1999 | 103 |
| 2000 | 80 |
| 2001 | 93 |
| 2002 | 89 |
| 2003 | 128 |
| 2004 | 121 |
| 2005 | 119 |
| 2006 | 133 |
| 2007 | 113 |
| 2008 | 116 |
| 2009 | 144 |
| 2010 | 155 |
| 2011 | 195 |
| 2012 | 221 |
| 2013 | 212 |
| 2014 | 174 |
| 2015 | 206 |
| 2016 | 216 |
| 2017 | 191 |
| 2018 | 231 |
| 2019 | 206 |
| 2020 | 214 |
| 2021 | 186 |
| 2022 | 123 |
| 2023 | 83 |
| 2024 | 49 |