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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1826 | 1 |
| 1827 | 3 |
| 1852 | 1 |
| 1869 | 3 |
| 1870 | 2 |
| 1871 | 2 |
| 1872 | 2 |
| 1874 | 2 |
| 1875 | 2 |
| 1876 | 8 |
| 1877 | 5 |
| 1878 | 3 |
| 1879 | 1 |
| 1880 | 1 |
| 1881 | 3 |
| 1882 | 1 |
| 1883 | 2 |
| 1885 | 4 |
| 1886 | 1 |
| 1887 | 3 |
| 1888 | 2 |
| 1890 | 1 |
| 1891 | 2 |
| 1892 | 2 |
| 1893 | 3 |
| 1895 | 2 |
| 1896 | 3 |
| 1897 | 3 |
| 1898 | 3 |
| 1899 | 7 |
| 1900 | 3 |
| 1901 | 8 |
| 1902 | 2 |
| 1903 | 4 |
| 1904 | 3 |
| 1905 | 2 |
| 1906 | 2 |
| 1907 | 1 |
| 1909 | 3 |
| 1911 | 1 |
| 1913 | 2 |
| 1915 | 1 |
| 1916 | 1 |
| 1920 | 1 |
| 1928 | 1 |
| 1932 | 2 |
| 1933 | 3 |
| 1936 | 1 |
| 1938 | 3 |
| 1939 | 1 |
| 1940 | 2 |
| 1942 | 3 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 1 |
| 1946 | 17 |
| 1947 | 15 |
| 1948 | 11 |
| 1949 | 21 |
| 1950 | 10 |
| 1951 | 11 |
| 1952 | 10 |
| 1953 | 15 |
| 1954 | 18 |
| 1955 | 12 |
| 1956 | 13 |
| 1957 | 19 |
| 1958 | 14 |
| 1959 | 19 |
| 1960 | 12 |
| 1961 | 20 |
| 1962 | 16 |
| 1963 | 24 |
| 1964 | 26 |
| 1965 | 29 |
| 1966 | 46 |
| 1967 | 30 |
| 1968 | 42 |
| 1969 | 50 |
| 1970 | 27 |
| 1971 | 31 |
| 1972 | 47 |
| 1973 | 48 |
| 1974 | 40 |
| 1975 | 47 |
| 1976 | 52 |
| 1977 | 53 |
| 1978 | 52 |
| 1979 | 63 |
| 1980 | 52 |
| 1981 | 50 |
| 1982 | 72 |
| 1983 | 58 |
| 1984 | 67 |
| 1985 | 73 |
| 1986 | 77 |
| 1987 | 100 |
| 1988 | 80 |
| 1989 | 93 |
| 1990 | 113 |
| 1991 | 103 |
| 1992 | 96 |
| 1993 | 124 |
| 1994 | 151 |
| 1995 | 155 |
| 1996 | 151 |
| 1997 | 154 |
| 1998 | 182 |
| 1999 | 168 |
| 2000 | 168 |
| 2001 | 152 |
| 2002 | 156 |
| 2003 | 184 |
| 2004 | 195 |
| 2005 | 218 |
| 2006 | 229 |
| 2007 | 240 |
| 2008 | 268 |
| 2009 | 246 |
| 2010 | 284 |
| 2011 | 302 |
| 2012 | 350 |
| 2013 | 331 |
| 2014 | 376 |
| 2015 | 392 |
| 2016 | 380 |
| 2017 | 411 |
| 2018 | 489 |
| 2019 | 446 |
| 2020 | 473 |
| 2021 | 570 |
| 2022 | 554 |
| 2023 | 48 |