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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1823 | 1 |
| 1840 | 2 |
| 1841 | 1 |
| 1853 | 3 |
| 1869 | 1 |
| 1873 | 1 |
| 1878 | 1 |
| 1880 | 1 |
| 1888 | 1 |
| 1893 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1910 | 1 |
| 1911 | 2 |
| 1912 | 1 |
| 1915 | 1 |
| 1916 | 2 |
| 1919 | 3 |
| 1920 | 3 |
| 1921 | 3 |
| 1922 | 3 |
| 1923 | 4 |
| 1924 | 1 |
| 1926 | 3 |
| 1928 | 1 |
| 1929 | 3 |
| 1930 | 6 |
| 1931 | 5 |
| 1932 | 4 |
| 1933 | 4 |
| 1934 | 2 |
| 1935 | 6 |
| 1936 | 1 |
| 1937 | 2 |
| 1938 | 1 |
| 1939 | 7 |
| 1940 | 2 |
| 1941 | 1 |
| 1942 | 2 |
| 1943 | 1 |
| 1944 | 4 |
| 1945 | 20 |
| 1946 | 40 |
| 1947 | 65 |
| 1948 | 76 |
| 1949 | 80 |
| 1950 | 86 |
| 1951 | 142 |
| 1952 | 165 |
| 1953 | 198 |
| 1954 | 178 |
| 1955 | 196 |
| 1956 | 195 |
| 1957 | 176 |
| 1958 | 190 |
| 1959 | 199 |
| 1960 | 174 |
| 1961 | 179 |
| 1962 | 169 |
| 1963 | 233 |
| 1964 | 331 |
| 1965 | 242 |
| 1966 | 244 |
| 1967 | 289 |
| 1968 | 332 |
| 1969 | 290 |
| 1970 | 298 |
| 1971 | 308 |
| 1972 | 283 |
| 1973 | 296 |
| 1974 | 275 |
| 1975 | 218 |
| 1976 | 237 |
| 1977 | 219 |
| 1978 | 227 |
| 1979 | 265 |
| 1980 | 212 |
| 1981 | 188 |
| 1982 | 189 |
| 1983 | 187 |
| 1984 | 210 |
| 1985 | 181 |
| 1986 | 163 |
| 1987 | 183 |
| 1988 | 191 |
| 1989 | 217 |
| 1990 | 187 |
| 1991 | 178 |
| 1992 | 211 |
| 1993 | 241 |
| 1994 | 235 |
| 1995 | 233 |
| 1996 | 266 |
| 1997 | 261 |
| 1998 | 296 |
| 1999 | 275 |
| 2000 | 290 |
| 2001 | 288 |
| 2002 | 315 |
| 2003 | 328 |
| 2004 | 328 |
| 2005 | 304 |
| 2006 | 378 |
| 2007 | 432 |
| 2008 | 473 |
| 2009 | 470 |
| 2010 | 539 |
| 2011 | 608 |
| 2012 | 575 |
| 2013 | 594 |
| 2014 | 617 |
| 2015 | 604 |
| 2016 | 608 |
| 2017 | 612 |
| 2018 | 609 |
| 2019 | 635 |
| 2020 | 668 |
| 2021 | 719 |
| 2022 | 729 |
| 2023 | 718 |
| 2024 | 704 |
| 2025 | 672 |
| 2026 | 476 |