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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1845 | 1 |
| 1868 | 1 |
| 1869 | 1 |
| 1881 | 10 |
| 1883 | 2 |
| 1884 | 2 |
| 1885 | 2 |
| 1886 | 1 |
| 1888 | 1 |
| 1889 | 1 |
| 1890 | 2 |
| 1891 | 2 |
| 1892 | 1 |
| 1893 | 1 |
| 1894 | 3 |
| 1897 | 2 |
| 1898 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1905 | 3 |
| 1907 | 1 |
| 1909 | 1 |
| 1910 | 2 |
| 1911 | 1 |
| 1912 | 5 |
| 1913 | 3 |
| 1914 | 2 |
| 1915 | 6 |
| 1916 | 5 |
| 1917 | 3 |
| 1919 | 5 |
| 1920 | 6 |
| 1921 | 1 |
| 1922 | 8 |
| 1923 | 3 |
| 1924 | 4 |
| 1925 | 8 |
| 1926 | 4 |
| 1927 | 2 |
| 1928 | 2 |
| 1929 | 4 |
| 1930 | 1 |
| 1933 | 1 |
| 1934 | 5 |
| 1935 | 1 |
| 1936 | 2 |
| 1937 | 1 |
| 1938 | 3 |
| 1939 | 2 |
| 1940 | 3 |
| 1941 | 4 |
| 1942 | 1 |
| 1944 | 2 |
| 1945 | 3 |
| 1946 | 5 |
| 1947 | 8 |
| 1948 | 9 |
| 1949 | 7 |
| 1950 | 6 |
| 1951 | 3 |
| 1952 | 9 |
| 1953 | 5 |
| 1954 | 3 |
| 1955 | 10 |
| 1956 | 8 |
| 1957 | 9 |
| 1958 | 9 |
| 1959 | 12 |
| 1960 | 10 |
| 1961 | 8 |
| 1962 | 13 |
| 1963 | 11 |
| 1964 | 15 |
| 1965 | 24 |
| 1966 | 15 |
| 1967 | 15 |
| 1968 | 17 |
| 1969 | 12 |
| 1970 | 14 |
| 1971 | 17 |
| 1972 | 21 |
| 1973 | 22 |
| 1974 | 25 |
| 1975 | 20 |
| 1976 | 43 |
| 1977 | 44 |
| 1978 | 41 |
| 1979 | 51 |
| 1980 | 73 |
| 1981 | 69 |
| 1982 | 65 |
| 1983 | 55 |
| 1984 | 60 |
| 1985 | 69 |
| 1986 | 61 |
| 1987 | 103 |
| 1988 | 136 |
| 1989 | 155 |
| 1990 | 127 |
| 1991 | 166 |
| 1992 | 142 |
| 1993 | 172 |
| 1994 | 214 |
| 1995 | 200 |
| 1996 | 180 |
| 1997 | 176 |
| 1998 | 181 |
| 1999 | 197 |
| 2000 | 229 |
| 2001 | 253 |
| 2002 | 274 |
| 2003 | 304 |
| 2004 | 322 |
| 2005 | 379 |
| 2006 | 381 |
| 2007 | 426 |
| 2008 | 434 |
| 2009 | 465 |
| 2010 | 528 |
| 2011 | 532 |
| 2012 | 597 |
| 2013 | 689 |
| 2014 | 847 |
| 2015 | 811 |
| 2016 | 1038 |
| 2017 | 1115 |
| 2018 | 1259 |
| 2019 | 1477 |
| 2020 | 1670 |
| 2021 | 1871 |
| 2022 | 1963 |
| 2023 | 1893 |
| 2024 | 820 |