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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1868 | 1 |
| 1869 | 2 |
| 1870 | 3 |
| 1871 | 2 |
| 1872 | 2 |
| 1873 | 1 |
| 1874 | 1 |
| 1875 | 1 |
| 1876 | 1 |
| 1883 | 1 |
| 1888 | 3 |
| 1889 | 5 |
| 1892 | 1 |
| 1893 | 2 |
| 1895 | 1 |
| 1896 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1901 | 1 |
| 1903 | 1 |
| 1906 | 2 |
| 1913 | 1 |
| 1915 | 2 |
| 1916 | 1 |
| 1917 | 2 |
| 1918 | 2 |
| 1919 | 2 |
| 1921 | 2 |
| 1922 | 1 |
| 1923 | 1 |
| 1924 | 1 |
| 1927 | 2 |
| 1930 | 1 |
| 1931 | 2 |
| 1932 | 1 |
| 1933 | 1 |
| 1934 | 1 |
| 1936 | 1 |
| 1938 | 2 |
| 1939 | 2 |
| 1940 | 2 |
| 1941 | 4 |
| 1942 | 4 |
| 1943 | 1 |
| 1944 | 2 |
| 1945 | 3 |
| 1946 | 22 |
| 1947 | 9 |
| 1948 | 13 |
| 1949 | 13 |
| 1950 | 22 |
| 1951 | 24 |
| 1952 | 21 |
| 1953 | 20 |
| 1954 | 26 |
| 1955 | 18 |
| 1956 | 12 |
| 1957 | 21 |
| 1958 | 17 |
| 1959 | 19 |
| 1960 | 14 |
| 1961 | 20 |
| 1962 | 19 |
| 1963 | 18 |
| 1964 | 20 |
| 1965 | 26 |
| 1966 | 36 |
| 1967 | 36 |
| 1968 | 41 |
| 1969 | 55 |
| 1970 | 39 |
| 1971 | 42 |
| 1972 | 60 |
| 1973 | 50 |
| 1974 | 78 |
| 1975 | 63 |
| 1976 | 87 |
| 1977 | 88 |
| 1978 | 104 |
| 1979 | 88 |
| 1980 | 108 |
| 1981 | 110 |
| 1982 | 143 |
| 1983 | 142 |
| 1984 | 130 |
| 1985 | 135 |
| 1986 | 171 |
| 1987 | 149 |
| 1988 | 158 |
| 1989 | 138 |
| 1990 | 194 |
| 1991 | 173 |
| 1992 | 179 |
| 1993 | 174 |
| 1994 | 176 |
| 1995 | 189 |
| 1996 | 222 |
| 1997 | 184 |
| 1998 | 215 |
| 1999 | 229 |
| 2000 | 243 |
| 2001 | 226 |
| 2002 | 216 |
| 2003 | 248 |
| 2004 | 292 |
| 2005 | 308 |
| 2006 | 314 |
| 2007 | 319 |
| 2008 | 301 |
| 2009 | 326 |
| 2010 | 341 |
| 2011 | 405 |
| 2012 | 428 |
| 2013 | 427 |
| 2014 | 431 |
| 2015 | 415 |
| 2016 | 465 |
| 2017 | 447 |
| 2018 | 450 |
| 2019 | 431 |
| 2020 | 469 |
| 2021 | 503 |
| 2022 | 405 |
| 2023 | 376 |
| 2024 | 380 |
| 2025 | 353 |
| 2026 | 190 |