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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 3 |
| 1948 | 1 |
| 1949 | 3 |
| 1950 | 7 |
| 1951 | 6 |
| 1952 | 5 |
| 1953 | 7 |
| 1954 | 6 |
| 1955 | 7 |
| 1956 | 8 |
| 1957 | 11 |
| 1958 | 6 |
| 1959 | 9 |
| 1960 | 16 |
| 1961 | 10 |
| 1962 | 21 |
| 1963 | 39 |
| 1964 | 79 |
| 1965 | 59 |
| 1966 | 45 |
| 1967 | 73 |
| 1968 | 100 |
| 1969 | 130 |
| 1970 | 119 |
| 1971 | 184 |
| 1972 | 237 |
| 1973 | 292 |
| 1974 | 349 |
| 1975 | 310 |
| 1976 | 283 |
| 1977 | 339 |
| 1978 | 310 |
| 1979 | 299 |
| 1980 | 308 |
| 1981 | 317 |
| 1982 | 289 |
| 1983 | 317 |
| 1984 | 347 |
| 1985 | 324 |
| 1986 | 318 |
| 1987 | 309 |
| 1988 | 290 |
| 1989 | 290 |
| 1990 | 245 |
| 1991 | 231 |
| 1992 | 235 |
| 1993 | 207 |
| 1994 | 171 |
| 1995 | 185 |
| 1996 | 175 |
| 1997 | 188 |
| 1998 | 177 |
| 1999 | 148 |
| 2000 | 168 |
| 2001 | 161 |
| 2002 | 177 |
| 2003 | 241 |
| 2004 | 145 |
| 2005 | 141 |
| 2006 | 142 |
| 2007 | 128 |
| 2008 | 145 |
| 2009 | 116 |
| 2010 | 158 |
| 2011 | 137 |
| 2012 | 118 |
| 2013 | 151 |
| 2014 | 158 |
| 2015 | 134 |
| 2016 | 122 |
| 2017 | 109 |
| 2018 | 132 |
| 2019 | 104 |
| 2020 | 95 |
| 2021 | 108 |
| 2022 | 105 |
| 2023 | 83 |
| 2024 | 73 |
| 2025 | 34 |