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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1799 | 1 |
| 1806 | 1 |
| 1861 | 1 |
| 1863 | 3 |
| 1870 | 1 |
| 1872 | 1 |
| 1875 | 1 |
| 1876 | 1 |
| 1877 | 1 |
| 1878 | 1 |
| 1879 | 12 |
| 1880 | 7 |
| 1881 | 3 |
| 1882 | 1 |
| 1883 | 1 |
| 1885 | 2 |
| 1887 | 1 |
| 1888 | 1 |
| 1889 | 2 |
| 1891 | 1 |
| 1893 | 2 |
| 1895 | 1 |
| 1899 | 2 |
| 1903 | 2 |
| 1904 | 1 |
| 1905 | 1 |
| 1906 | 3 |
| 1907 | 4 |
| 1908 | 3 |
| 1909 | 5 |
| 1910 | 3 |
| 1912 | 5 |
| 1913 | 3 |
| 1914 | 4 |
| 1915 | 6 |
| 1916 | 4 |
| 1917 | 2 |
| 1920 | 2 |
| 1921 | 1 |
| 1922 | 7 |
| 1923 | 2 |
| 1924 | 3 |
| 1925 | 1 |
| 1927 | 2 |
| 1930 | 3 |
| 1931 | 3 |
| 1932 | 4 |
| 1933 | 2 |
| 1934 | 1 |
| 1936 | 3 |
| 1937 | 1 |
| 1938 | 1 |
| 1940 | 1 |
| 1945 | 2 |
| 1946 | 11 |
| 1947 | 12 |
| 1948 | 14 |
| 1949 | 10 |
| 1950 | 27 |
| 1951 | 21 |
| 1952 | 15 |
| 1953 | 11 |
| 1954 | 17 |
| 1955 | 18 |
| 1956 | 21 |
| 1957 | 28 |
| 1958 | 26 |
| 1959 | 22 |
| 1960 | 26 |
| 1961 | 31 |
| 1962 | 33 |
| 1963 | 44 |
| 1964 | 38 |
| 1965 | 72 |
| 1966 | 60 |
| 1967 | 61 |
| 1968 | 70 |
| 1969 | 74 |
| 1970 | 70 |
| 1971 | 90 |
| 1972 | 92 |
| 1973 | 113 |
| 1974 | 130 |
| 1975 | 125 |
| 1976 | 120 |
| 1977 | 110 |
| 1978 | 116 |
| 1979 | 146 |
| 1980 | 127 |
| 1981 | 123 |
| 1982 | 110 |
| 1983 | 135 |
| 1984 | 157 |
| 1985 | 162 |
| 1986 | 201 |
| 1987 | 167 |
| 1988 | 163 |
| 1989 | 175 |
| 1990 | 202 |
| 1991 | 207 |
| 1992 | 217 |
| 1993 | 220 |
| 1994 | 217 |
| 1995 | 213 |
| 1996 | 220 |
| 1997 | 205 |
| 1998 | 185 |
| 1999 | 235 |
| 2000 | 247 |
| 2001 | 231 |
| 2002 | 260 |
| 2003 | 269 |
| 2004 | 261 |
| 2005 | 288 |
| 2006 | 322 |
| 2007 | 358 |
| 2008 | 417 |
| 2009 | 370 |
| 2010 | 431 |
| 2011 | 455 |
| 2012 | 465 |
| 2013 | 516 |
| 2014 | 486 |
| 2015 | 478 |
| 2016 | 487 |
| 2017 | 480 |
| 2018 | 517 |
| 2019 | 496 |
| 2020 | 564 |
| 2021 | 582 |
| 2022 | 578 |
| 2023 | 227 |