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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1845 | 1 |
| 1865 | 1 |
| 1868 | 1 |
| 1881 | 1 |
| 1883 | 2 |
| 1884 | 4 |
| 1887 | 1 |
| 1890 | 1 |
| 1892 | 1 |
| 1894 | 1 |
| 1897 | 3 |
| 1901 | 2 |
| 1905 | 1 |
| 1906 | 1 |
| 1907 | 1 |
| 1908 | 1 |
| 1909 | 3 |
| 1910 | 6 |
| 1911 | 1 |
| 1913 | 4 |
| 1914 | 3 |
| 1916 | 1 |
| 1920 | 2 |
| 1921 | 1 |
| 1922 | 2 |
| 1923 | 3 |
| 1924 | 3 |
| 1925 | 5 |
| 1926 | 1 |
| 1927 | 1 |
| 1929 | 2 |
| 1931 | 1 |
| 1933 | 1 |
| 1935 | 3 |
| 1936 | 4 |
| 1937 | 3 |
| 1938 | 2 |
| 1939 | 3 |
| 1941 | 2 |
| 1942 | 2 |
| 1943 | 3 |
| 1944 | 5 |
| 1945 | 6 |
| 1946 | 24 |
| 1947 | 29 |
| 1948 | 31 |
| 1949 | 19 |
| 1950 | 15 |
| 1951 | 34 |
| 1952 | 25 |
| 1953 | 27 |
| 1954 | 34 |
| 1955 | 22 |
| 1956 | 23 |
| 1957 | 27 |
| 1958 | 39 |
| 1959 | 29 |
| 1960 | 47 |
| 1961 | 41 |
| 1962 | 52 |
| 1963 | 41 |
| 1964 | 53 |
| 1965 | 47 |
| 1966 | 64 |
| 1967 | 89 |
| 1968 | 67 |
| 1969 | 65 |
| 1970 | 69 |
| 1971 | 73 |
| 1972 | 79 |
| 1973 | 76 |
| 1974 | 78 |
| 1975 | 92 |
| 1976 | 92 |
| 1977 | 95 |
| 1978 | 96 |
| 1979 | 116 |
| 1980 | 120 |
| 1981 | 138 |
| 1982 | 138 |
| 1983 | 145 |
| 1984 | 161 |
| 1985 | 184 |
| 1986 | 189 |
| 1987 | 202 |
| 1988 | 189 |
| 1989 | 206 |
| 1990 | 238 |
| 1991 | 238 |
| 1992 | 232 |
| 1993 | 259 |
| 1994 | 277 |
| 1995 | 294 |
| 1996 | 350 |
| 1997 | 326 |
| 1998 | 285 |
| 1999 | 291 |
| 2000 | 333 |
| 2001 | 360 |
| 2002 | 380 |
| 2003 | 406 |
| 2004 | 457 |
| 2005 | 505 |
| 2006 | 499 |
| 2007 | 484 |
| 2008 | 586 |
| 2009 | 622 |
| 2010 | 681 |
| 2011 | 753 |
| 2012 | 790 |
| 2013 | 886 |
| 2014 | 884 |
| 2015 | 899 |
| 2016 | 984 |
| 2017 | 1014 |
| 2018 | 1051 |
| 2019 | 1063 |
| 2020 | 1301 |
| 2021 | 1386 |
| 2022 | 1262 |
| 2023 | 1235 |
| 2024 | 450 |