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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 6 |
| 1946 | 17 |
| 1947 | 18 |
| 1948 | 20 |
| 1949 | 14 |
| 1950 | 24 |
| 1951 | 24 |
| 1952 | 24 |
| 1953 | 12 |
| 1954 | 20 |
| 1955 | 12 |
| 1956 | 23 |
| 1957 | 29 |
| 1958 | 21 |
| 1959 | 17 |
| 1960 | 15 |
| 1961 | 13 |
| 1962 | 21 |
| 1963 | 23 |
| 1964 | 12 |
| 1965 | 26 |
| 1966 | 14 |
| 1967 | 69 |
| 1968 | 133 |
| 1969 | 152 |
| 1970 | 158 |
| 1971 | 197 |
| 1972 | 235 |
| 1973 | 224 |
| 1974 | 198 |
| 1975 | 238 |
| 1976 | 191 |
| 1977 | 176 |
| 1978 | 166 |
| 1979 | 196 |
| 1980 | 199 |
| 1981 | 186 |
| 1982 | 221 |
| 1983 | 227 |
| 1984 | 223 |
| 1985 | 230 |
| 1986 | 194 |
| 1987 | 213 |
| 1988 | 208 |
| 1989 | 198 |
| 1990 | 191 |
| 1991 | 242 |
| 1992 | 196 |
| 1993 | 192 |
| 1994 | 196 |
| 1995 | 191 |
| 1996 | 172 |
| 1997 | 184 |
| 1998 | 203 |
| 1999 | 197 |
| 2000 | 216 |
| 2001 | 152 |
| 2002 | 197 |
| 2003 | 186 |
| 2004 | 157 |
| 2005 | 167 |
| 2006 | 206 |
| 2007 | 197 |
| 2008 | 204 |
| 2009 | 186 |
| 2010 | 212 |
| 2011 | 227 |
| 2012 | 204 |
| 2013 | 182 |
| 2014 | 173 |
| 2015 | 189 |
| 2016 | 160 |
| 2017 | 166 |
| 2018 | 170 |
| 2019 | 200 |
| 2020 | 161 |
| 2021 | 125 |
| 2022 | 90 |
| 2023 | 7 |