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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1823 | 1 |
| 1824 | 2 |
| 1844 | 1 |
| 1847 | 1 |
| 1852 | 1 |
| 1856 | 1 |
| 1866 | 2 |
| 1869 | 2 |
| 1882 | 1 |
| 1883 | 1 |
| 1907 | 2 |
| 1908 | 2 |
| 1909 | 5 |
| 1910 | 1 |
| 1911 | 2 |
| 1913 | 4 |
| 1914 | 3 |
| 1915 | 1 |
| 1916 | 1 |
| 1918 | 3 |
| 1919 | 1 |
| 1921 | 1 |
| 1922 | 1 |
| 1925 | 1 |
| 1926 | 2 |
| 1928 | 7 |
| 1929 | 2 |
| 1930 | 3 |
| 1931 | 1 |
| 1933 | 2 |
| 1935 | 2 |
| 1936 | 1 |
| 1937 | 3 |
| 1938 | 1 |
| 1939 | 2 |
| 1940 | 2 |
| 1942 | 2 |
| 1943 | 2 |
| 1944 | 2 |
| 1945 | 2 |
| 1946 | 18 |
| 1947 | 15 |
| 1948 | 32 |
| 1949 | 17 |
| 1950 | 20 |
| 1951 | 31 |
| 1952 | 27 |
| 1953 | 40 |
| 1954 | 30 |
| 1955 | 38 |
| 1956 | 31 |
| 1957 | 46 |
| 1958 | 34 |
| 1959 | 30 |
| 1960 | 53 |
| 1961 | 17 |
| 1962 | 25 |
| 1963 | 38 |
| 1964 | 53 |
| 1965 | 69 |
| 1966 | 87 |
| 1967 | 73 |
| 1968 | 61 |
| 1969 | 72 |
| 1970 | 85 |
| 1971 | 83 |
| 1972 | 118 |
| 1973 | 98 |
| 1974 | 110 |
| 1975 | 110 |
| 1976 | 91 |
| 1977 | 119 |
| 1978 | 111 |
| 1979 | 125 |
| 1980 | 118 |
| 1981 | 123 |
| 1982 | 125 |
| 1983 | 116 |
| 1984 | 137 |
| 1985 | 151 |
| 1986 | 173 |
| 1987 | 176 |
| 1988 | 168 |
| 1989 | 166 |
| 1990 | 158 |
| 1991 | 154 |
| 1992 | 158 |
| 1993 | 224 |
| 1994 | 190 |
| 1995 | 210 |
| 1996 | 199 |
| 1997 | 200 |
| 1998 | 216 |
| 1999 | 201 |
| 2000 | 232 |
| 2001 | 249 |
| 2002 | 234 |
| 2003 | 229 |
| 2004 | 278 |
| 2005 | 297 |
| 2006 | 279 |
| 2007 | 322 |
| 2008 | 336 |
| 2009 | 345 |
| 2010 | 384 |
| 2011 | 401 |
| 2012 | 442 |
| 2013 | 498 |
| 2014 | 459 |
| 2015 | 486 |
| 2016 | 470 |
| 2017 | 475 |
| 2018 | 476 |
| 2019 | 494 |
| 2020 | 503 |
| 2021 | 540 |
| 2022 | 483 |
| 2023 | 493 |
| 2024 | 420 |
| 2025 | 419 |
| 2026 | 70 |