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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1807 | 1 |
| 1827 | 3 |
| 1849 | 1 |
| 1851 | 4 |
| 1852 | 1 |
| 1856 | 1 |
| 1858 | 1 |
| 1862 | 1 |
| 1869 | 1 |
| 1874 | 1 |
| 1875 | 1 |
| 1879 | 1 |
| 1880 | 2 |
| 1881 | 1 |
| 1882 | 1 |
| 1884 | 9 |
| 1885 | 13 |
| 1886 | 3 |
| 1888 | 3 |
| 1890 | 2 |
| 1891 | 1 |
| 1892 | 2 |
| 1893 | 2 |
| 1894 | 2 |
| 1895 | 2 |
| 1896 | 1 |
| 1897 | 4 |
| 1898 | 6 |
| 1899 | 2 |
| 1900 | 1 |
| 1901 | 3 |
| 1902 | 2 |
| 1905 | 1 |
| 1907 | 1 |
| 1908 | 1 |
| 1909 | 3 |
| 1910 | 1 |
| 1912 | 2 |
| 1914 | 2 |
| 1915 | 2 |
| 1916 | 4 |
| 1917 | 3 |
| 1919 | 7 |
| 1920 | 3 |
| 1921 | 2 |
| 1922 | 2 |
| 1924 | 1 |
| 1925 | 4 |
| 1926 | 6 |
| 1927 | 7 |
| 1928 | 6 |
| 1929 | 2 |
| 1930 | 11 |
| 1931 | 7 |
| 1932 | 4 |
| 1933 | 9 |
| 1934 | 10 |
| 1935 | 10 |
| 1936 | 9 |
| 1937 | 6 |
| 1938 | 11 |
| 1939 | 9 |
| 1940 | 8 |
| 1941 | 13 |
| 1942 | 7 |
| 1943 | 7 |
| 1944 | 4 |
| 1945 | 157 |
| 1946 | 82 |
| 1947 | 72 |
| 1948 | 106 |
| 1949 | 158 |
| 1950 | 305 |
| 1951 | 299 |
| 1952 | 310 |
| 1953 | 233 |
| 1954 | 265 |
| 1955 | 217 |
| 1956 | 224 |
| 1957 | 150 |
| 1958 | 101 |
| 1959 | 152 |
| 1960 | 159 |
| 1961 | 190 |
| 1962 | 210 |
| 1963 | 198 |
| 1964 | 189 |
| 1965 | 214 |
| 1966 | 222 |
| 1967 | 211 |
| 1968 | 222 |
| 1969 | 266 |
| 1970 | 268 |
| 1971 | 277 |
| 1972 | 332 |
| 1973 | 330 |
| 1974 | 359 |
| 1975 | 266 |
| 1976 | 264 |
| 1977 | 319 |
| 1978 | 360 |
| 1979 | 430 |
| 1980 | 394 |
| 1981 | 392 |
| 1982 | 417 |
| 1983 | 455 |
| 1984 | 421 |
| 1985 | 506 |
| 1986 | 494 |
| 1987 | 791 |
| 1988 | 1035 |
| 1989 | 1124 |
| 1990 | 1192 |
| 1991 | 1168 |
| 1992 | 1254 |
| 1993 | 1238 |
| 1994 | 1241 |
| 1995 | 1284 |
| 1996 | 1360 |
| 1997 | 1510 |
| 1998 | 1614 |
| 1999 | 1838 |
| 2000 | 1993 |
| 2001 | 2212 |
| 2002 | 2368 |
| 2003 | 2534 |
| 2004 | 2624 |
| 2005 | 2944 |
| 2006 | 3243 |
| 2007 | 3304 |
| 2008 | 3498 |
| 2009 | 3686 |
| 2010 | 3908 |
| 2011 | 4212 |
| 2012 | 4359 |
| 2013 | 5216 |
| 2014 | 7073 |
| 2015 | 8690 |
| 2016 | 9320 |
| 2017 | 9463 |
| 2018 | 9835 |
| 2019 | 10146 |
| 2020 | 11230 |
| 2021 | 12093 |
| 2022 | 11384 |
| 2023 | 3195 |