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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1917 | 1 |
| 1930 | 1 |
| 1931 | 1 |
| 1945 | 9 |
| 1946 | 31 |
| 1947 | 35 |
| 1948 | 36 |
| 1949 | 22 |
| 1950 | 18 |
| 1951 | 42 |
| 1952 | 26 |
| 1953 | 45 |
| 1954 | 46 |
| 1955 | 45 |
| 1956 | 24 |
| 1957 | 40 |
| 1958 | 56 |
| 1959 | 51 |
| 1960 | 55 |
| 1961 | 63 |
| 1962 | 69 |
| 1963 | 106 |
| 1964 | 138 |
| 1965 | 129 |
| 1966 | 144 |
| 1967 | 156 |
| 1968 | 152 |
| 1969 | 153 |
| 1970 | 166 |
| 1971 | 182 |
| 1972 | 182 |
| 1973 | 227 |
| 1974 | 259 |
| 1975 | 210 |
| 1976 | 202 |
| 1977 | 223 |
| 1978 | 198 |
| 1979 | 187 |
| 1980 | 192 |
| 1981 | 218 |
| 1982 | 193 |
| 1983 | 216 |
| 1984 | 225 |
| 1985 | 191 |
| 1986 | 243 |
| 1987 | 198 |
| 1988 | 232 |
| 1989 | 203 |
| 1990 | 205 |
| 1991 | 181 |
| 1992 | 223 |
| 1993 | 194 |
| 1994 | 177 |
| 1995 | 192 |
| 1996 | 192 |
| 1997 | 200 |
| 1998 | 188 |
| 1999 | 161 |
| 2000 | 185 |
| 2001 | 167 |
| 2002 | 200 |
| 2003 | 176 |
| 2004 | 159 |
| 2005 | 180 |
| 2006 | 167 |
| 2007 | 210 |
| 2008 | 183 |
| 2009 | 207 |
| 2010 | 210 |
| 2011 | 217 |
| 2012 | 235 |
| 2013 | 253 |
| 2014 | 227 |
| 2015 | 253 |
| 2016 | 219 |
| 2017 | 216 |
| 2018 | 203 |
| 2019 | 218 |
| 2020 | 226 |
| 2021 | 216 |
| 2022 | 193 |
| 2023 | 171 |
| 2024 | 78 |