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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1854 | 2 |
| 1855 | 3 |
| 1856 | 1 |
| 1859 | 1 |
| 1860 | 1 |
| 1864 | 1 |
| 1867 | 2 |
| 1868 | 1 |
| 1869 | 3 |
| 1871 | 3 |
| 1872 | 3 |
| 1873 | 1 |
| 1874 | 1 |
| 1875 | 1 |
| 1877 | 1 |
| 1878 | 1 |
| 1881 | 2 |
| 1883 | 2 |
| 1884 | 2 |
| 1885 | 3 |
| 1886 | 2 |
| 1887 | 2 |
| 1888 | 2 |
| 1893 | 3 |
| 1895 | 1 |
| 1896 | 1 |
| 1897 | 1 |
| 1898 | 2 |
| 1899 | 4 |
| 1900 | 7 |
| 1901 | 3 |
| 1903 | 4 |
| 1904 | 2 |
| 1905 | 2 |
| 1906 | 2 |
| 1908 | 1 |
| 1909 | 2 |
| 1910 | 2 |
| 1911 | 1 |
| 1912 | 2 |
| 1913 | 1 |
| 1914 | 4 |
| 1915 | 3 |
| 1916 | 1 |
| 1917 | 2 |
| 1918 | 1 |
| 1919 | 1 |
| 1920 | 1 |
| 1921 | 3 |
| 1922 | 3 |
| 1923 | 5 |
| 1925 | 5 |
| 1926 | 5 |
| 1927 | 2 |
| 1929 | 3 |
| 1930 | 4 |
| 1931 | 2 |
| 1932 | 4 |
| 1933 | 5 |
| 1934 | 1 |
| 1935 | 3 |
| 1936 | 2 |
| 1937 | 5 |
| 1938 | 5 |
| 1939 | 8 |
| 1940 | 1 |
| 1941 | 2 |
| 1942 | 1 |
| 1943 | 1 |
| 1944 | 2 |
| 1945 | 4 |
| 1946 | 23 |
| 1947 | 41 |
| 1948 | 49 |
| 1949 | 41 |
| 1950 | 43 |
| 1951 | 59 |
| 1952 | 54 |
| 1953 | 43 |
| 1954 | 48 |
| 1955 | 50 |
| 1956 | 34 |
| 1957 | 25 |
| 1958 | 53 |
| 1959 | 31 |
| 1960 | 36 |
| 1961 | 50 |
| 1962 | 53 |
| 1963 | 69 |
| 1964 | 70 |
| 1965 | 89 |
| 1966 | 91 |
| 1967 | 89 |
| 1968 | 111 |
| 1969 | 96 |
| 1970 | 106 |
| 1971 | 131 |
| 1972 | 119 |
| 1973 | 130 |
| 1974 | 160 |
| 1975 | 199 |
| 1976 | 177 |
| 1977 | 194 |
| 1978 | 217 |
| 1979 | 218 |
| 1980 | 236 |
| 1981 | 250 |
| 1982 | 235 |
| 1983 | 245 |
| 1984 | 298 |
| 1985 | 294 |
| 1986 | 308 |
| 1987 | 325 |
| 1988 | 345 |
| 1989 | 359 |
| 1990 | 316 |
| 1991 | 420 |
| 1992 | 426 |
| 1993 | 381 |
| 1994 | 418 |
| 1995 | 430 |
| 1996 | 466 |
| 1997 | 448 |
| 1998 | 447 |
| 1999 | 498 |
| 2000 | 581 |
| 2001 | 626 |
| 2002 | 632 |
| 2003 | 683 |
| 2004 | 758 |
| 2005 | 843 |
| 2006 | 915 |
| 2007 | 945 |
| 2008 | 1069 |
| 2009 | 1128 |
| 2010 | 1135 |
| 2011 | 1201 |
| 2012 | 1340 |
| 2013 | 1396 |
| 2014 | 1512 |
| 2015 | 1585 |
| 2016 | 1623 |
| 2017 | 1630 |
| 2018 | 1750 |
| 2019 | 1838 |
| 2020 | 1952 |
| 2021 | 2175 |
| 2022 | 2110 |
| 2023 | 1951 |
| 2024 | 730 |