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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1864 | 1 |
| 1892 | 2 |
| 1893 | 1 |
| 1894 | 1 |
| 1899 | 2 |
| 1902 | 1 |
| 1903 | 1 |
| 1908 | 1 |
| 1909 | 3 |
| 1910 | 1 |
| 1911 | 1 |
| 1912 | 5 |
| 1915 | 1 |
| 1918 | 1 |
| 1922 | 3 |
| 1923 | 1 |
| 1926 | 1 |
| 1929 | 1 |
| 1931 | 2 |
| 1932 | 2 |
| 1933 | 1 |
| 1935 | 2 |
| 1936 | 3 |
| 1937 | 1 |
| 1941 | 2 |
| 1942 | 1 |
| 1944 | 1 |
| 1945 | 3 |
| 1946 | 13 |
| 1947 | 25 |
| 1948 | 18 |
| 1949 | 15 |
| 1950 | 16 |
| 1951 | 25 |
| 1952 | 26 |
| 1953 | 20 |
| 1954 | 24 |
| 1955 | 25 |
| 1956 | 26 |
| 1957 | 21 |
| 1958 | 30 |
| 1959 | 26 |
| 1960 | 41 |
| 1961 | 27 |
| 1962 | 33 |
| 1963 | 41 |
| 1964 | 46 |
| 1965 | 70 |
| 1966 | 64 |
| 1967 | 77 |
| 1968 | 85 |
| 1969 | 86 |
| 1970 | 97 |
| 1971 | 100 |
| 1972 | 117 |
| 1973 | 110 |
| 1974 | 149 |
| 1975 | 138 |
| 1976 | 151 |
| 1977 | 148 |
| 1978 | 154 |
| 1979 | 170 |
| 1980 | 141 |
| 1981 | 141 |
| 1982 | 154 |
| 1983 | 184 |
| 1984 | 160 |
| 1985 | 223 |
| 1986 | 171 |
| 1987 | 186 |
| 1988 | 190 |
| 1989 | 217 |
| 1990 | 218 |
| 1991 | 231 |
| 1992 | 219 |
| 1993 | 227 |
| 1994 | 251 |
| 1995 | 226 |
| 1996 | 227 |
| 1997 | 242 |
| 1998 | 257 |
| 1999 | 222 |
| 2000 | 246 |
| 2001 | 245 |
| 2002 | 232 |
| 2003 | 217 |
| 2004 | 238 |
| 2005 | 269 |
| 2006 | 252 |
| 2007 | 268 |
| 2008 | 316 |
| 2009 | 318 |
| 2010 | 321 |
| 2011 | 331 |
| 2012 | 347 |
| 2013 | 379 |
| 2014 | 393 |
| 2015 | 394 |
| 2016 | 387 |
| 2017 | 353 |
| 2018 | 424 |
| 2019 | 431 |
| 2020 | 497 |
| 2021 | 530 |
| 2022 | 497 |
| 2023 | 475 |
| 2024 | 353 |