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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1864 | 1 |
| 1865 | 1 |
| 1875 | 2 |
| 1880 | 2 |
| 1885 | 1 |
| 1886 | 1 |
| 1889 | 1 |
| 1890 | 1 |
| 1891 | 1 |
| 1896 | 4 |
| 1898 | 1 |
| 1899 | 1 |
| 1900 | 2 |
| 1904 | 1 |
| 1905 | 1 |
| 1906 | 1 |
| 1907 | 1 |
| 1908 | 1 |
| 1909 | 2 |
| 1910 | 4 |
| 1911 | 1 |
| 1912 | 2 |
| 1913 | 4 |
| 1914 | 2 |
| 1916 | 2 |
| 1917 | 6 |
| 1918 | 1 |
| 1919 | 3 |
| 1920 | 4 |
| 1921 | 6 |
| 1922 | 5 |
| 1923 | 10 |
| 1924 | 2 |
| 1925 | 5 |
| 1926 | 5 |
| 1927 | 9 |
| 1928 | 4 |
| 1929 | 11 |
| 1930 | 5 |
| 1931 | 2 |
| 1932 | 9 |
| 1933 | 5 |
| 1934 | 4 |
| 1935 | 6 |
| 1936 | 6 |
| 1937 | 8 |
| 1938 | 5 |
| 1939 | 3 |
| 1940 | 3 |
| 1941 | 4 |
| 1942 | 4 |
| 1943 | 4 |
| 1944 | 8 |
| 1945 | 61 |
| 1946 | 134 |
| 1947 | 135 |
| 1948 | 120 |
| 1949 | 85 |
| 1950 | 103 |
| 1951 | 122 |
| 1952 | 118 |
| 1953 | 101 |
| 1954 | 104 |
| 1955 | 93 |
| 1956 | 91 |
| 1957 | 89 |
| 1958 | 81 |
| 1959 | 82 |
| 1960 | 86 |
| 1961 | 76 |
| 1962 | 103 |
| 1963 | 213 |
| 1964 | 209 |
| 1965 | 177 |
| 1966 | 174 |
| 1967 | 199 |
| 1968 | 197 |
| 1969 | 251 |
| 1970 | 236 |
| 1971 | 243 |
| 1972 | 229 |
| 1973 | 300 |
| 1974 | 267 |
| 1975 | 289 |
| 1976 | 307 |
| 1977 | 297 |
| 1978 | 331 |
| 1979 | 347 |
| 1980 | 317 |
| 1981 | 322 |
| 1982 | 397 |
| 1983 | 425 |
| 1984 | 431 |
| 1985 | 434 |
| 1986 | 452 |
| 1987 | 453 |
| 1988 | 465 |
| 1989 | 462 |
| 1990 | 502 |
| 1991 | 458 |
| 1992 | 435 |
| 1993 | 472 |
| 1994 | 432 |
| 1995 | 416 |
| 1996 | 439 |
| 1997 | 438 |
| 1998 | 439 |
| 1999 | 451 |
| 2000 | 442 |
| 2001 | 461 |
| 2002 | 440 |
| 2003 | 454 |
| 2004 | 475 |
| 2005 | 532 |
| 2006 | 591 |
| 2007 | 656 |
| 2008 | 720 |
| 2009 | 696 |
| 2010 | 755 |
| 2011 | 786 |
| 2012 | 828 |
| 2013 | 892 |
| 2014 | 910 |
| 2015 | 957 |
| 2016 | 1023 |
| 2017 | 1012 |
| 2018 | 975 |
| 2019 | 1166 |
| 2020 | 1364 |
| 2021 | 1407 |
| 2022 | 1422 |
| 2023 | 1381 |
| 2024 | 1521 |
| 2025 | 1603 |
| 2026 | 974 |