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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1903 | 1 |
| 1909 | 1 |
| 1913 | 1 |
| 1916 | 1 |
| 1929 | 1 |
| 1937 | 1 |
| 1938 | 1 |
| 1945 | 12 |
| 1946 | 24 |
| 1947 | 30 |
| 1948 | 25 |
| 1949 | 33 |
| 1950 | 56 |
| 1951 | 73 |
| 1952 | 52 |
| 1953 | 46 |
| 1954 | 46 |
| 1955 | 51 |
| 1956 | 32 |
| 1957 | 43 |
| 1958 | 37 |
| 1959 | 50 |
| 1960 | 48 |
| 1961 | 65 |
| 1962 | 72 |
| 1963 | 87 |
| 1964 | 158 |
| 1965 | 81 |
| 1966 | 56 |
| 1967 | 65 |
| 1968 | 125 |
| 1969 | 102 |
| 1970 | 166 |
| 1971 | 239 |
| 1972 | 308 |
| 1973 | 475 |
| 1974 | 425 |
| 1975 | 400 |
| 1976 | 457 |
| 1977 | 459 |
| 1978 | 437 |
| 1979 | 451 |
| 1980 | 408 |
| 1981 | 318 |
| 1982 | 305 |
| 1983 | 317 |
| 1984 | 297 |
| 1985 | 272 |
| 1986 | 253 |
| 1987 | 298 |
| 1988 | 258 |
| 1989 | 226 |
| 1990 | 207 |
| 1991 | 226 |
| 1992 | 226 |
| 1993 | 276 |
| 1994 | 266 |
| 1995 | 231 |
| 1996 | 190 |
| 1997 | 226 |
| 1998 | 223 |
| 1999 | 165 |
| 2000 | 189 |
| 2001 | 157 |
| 2002 | 168 |
| 2003 | 200 |
| 2004 | 192 |
| 2005 | 196 |
| 2006 | 178 |
| 2007 | 180 |
| 2008 | 183 |
| 2009 | 172 |
| 2010 | 199 |
| 2011 | 182 |
| 2012 | 186 |
| 2013 | 182 |
| 2014 | 212 |
| 2015 | 208 |
| 2016 | 157 |
| 2017 | 180 |
| 2018 | 161 |
| 2019 | 154 |
| 2020 | 178 |
| 2021 | 134 |
| 2022 | 119 |
| 2023 | 88 |
| 2024 | 94 |
| 2025 | 53 |