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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1916 | 1 |
| 1917 | 3 |
| 1918 | 12 |
| 1919 | 11 |
| 1937 | 2 |
| 1938 | 1 |
| 1940 | 2 |
| 1945 | 5 |
| 1946 | 5 |
| 1947 | 6 |
| 1948 | 9 |
| 1949 | 7 |
| 1950 | 7 |
| 1951 | 10 |
| 1952 | 10 |
| 1953 | 9 |
| 1954 | 5 |
| 1955 | 9 |
| 1956 | 9 |
| 1957 | 10 |
| 1958 | 10 |
| 1959 | 9 |
| 1960 | 11 |
| 1961 | 18 |
| 1962 | 30 |
| 1963 | 15 |
| 1964 | 26 |
| 1965 | 32 |
| 1966 | 33 |
| 1967 | 36 |
| 1968 | 38 |
| 1969 | 43 |
| 1970 | 41 |
| 1971 | 40 |
| 1972 | 43 |
| 1973 | 49 |
| 1974 | 60 |
| 1975 | 57 |
| 1976 | 62 |
| 1977 | 79 |
| 1978 | 93 |
| 1979 | 92 |
| 1980 | 89 |
| 1981 | 73 |
| 1982 | 83 |
| 1983 | 119 |
| 1984 | 110 |
| 1985 | 161 |
| 1986 | 146 |
| 1987 | 169 |
| 1988 | 139 |
| 1989 | 147 |
| 1990 | 121 |
| 1991 | 148 |
| 1992 | 179 |
| 1993 | 173 |
| 1994 | 186 |
| 1995 | 213 |
| 1996 | 188 |
| 1997 | 167 |
| 1998 | 190 |
| 1999 | 203 |
| 2000 | 186 |
| 2001 | 232 |
| 2002 | 243 |
| 2003 | 206 |
| 2004 | 262 |
| 2005 | 274 |
| 2006 | 268 |
| 2007 | 308 |
| 2008 | 314 |
| 2009 | 285 |
| 2010 | 307 |
| 2011 | 314 |
| 2012 | 334 |
| 2013 | 408 |
| 2014 | 462 |
| 2015 | 380 |
| 2016 | 353 |
| 2017 | 319 |
| 2018 | 325 |
| 2019 | 297 |
| 2020 | 382 |
| 2021 | 409 |
| 2022 | 383 |
| 2023 | 364 |
| 2024 | 190 |