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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1869 | 1 |
| 1870 | 1 |
| 1873 | 1 |
| 1874 | 1 |
| 1876 | 1 |
| 1877 | 1 |
| 1880 | 1 |
| 1881 | 1 |
| 1882 | 1 |
| 1883 | 2 |
| 1885 | 2 |
| 1888 | 4 |
| 1889 | 2 |
| 1890 | 2 |
| 1893 | 4 |
| 1894 | 7 |
| 1895 | 3 |
| 1896 | 3 |
| 1898 | 3 |
| 1899 | 1 |
| 1900 | 2 |
| 1901 | 3 |
| 1902 | 2 |
| 1903 | 4 |
| 1905 | 1 |
| 1906 | 1 |
| 1910 | 1 |
| 1911 | 1 |
| 1913 | 2 |
| 1914 | 5 |
| 1915 | 3 |
| 1916 | 1 |
| 1918 | 2 |
| 1919 | 2 |
| 1920 | 1 |
| 1921 | 1 |
| 1922 | 4 |
| 1923 | 1 |
| 1924 | 1 |
| 1925 | 4 |
| 1926 | 6 |
| 1927 | 13 |
| 1928 | 12 |
| 1929 | 11 |
| 1930 | 12 |
| 1931 | 12 |
| 1933 | 2 |
| 1934 | 2 |
| 1935 | 1 |
| 1936 | 5 |
| 1937 | 2 |
| 1938 | 1 |
| 1939 | 2 |
| 1941 | 1 |
| 1942 | 3 |
| 1944 | 1 |
| 1945 | 5 |
| 1946 | 11 |
| 1947 | 17 |
| 1948 | 20 |
| 1949 | 20 |
| 1950 | 16 |
| 1951 | 13 |
| 1952 | 21 |
| 1953 | 20 |
| 1954 | 12 |
| 1955 | 18 |
| 1956 | 14 |
| 1957 | 19 |
| 1958 | 17 |
| 1959 | 19 |
| 1960 | 21 |
| 1961 | 28 |
| 1962 | 10 |
| 1963 | 17 |
| 1964 | 36 |
| 1965 | 30 |
| 1966 | 31 |
| 1967 | 26 |
| 1968 | 43 |
| 1969 | 35 |
| 1970 | 57 |
| 1971 | 55 |
| 1972 | 49 |
| 1973 | 56 |
| 1974 | 69 |
| 1975 | 62 |
| 1976 | 67 |
| 1977 | 72 |
| 1978 | 72 |
| 1979 | 74 |
| 1980 | 83 |
| 1981 | 71 |
| 1982 | 86 |
| 1983 | 69 |
| 1984 | 99 |
| 1985 | 99 |
| 1986 | 97 |
| 1987 | 70 |
| 1988 | 95 |
| 1989 | 96 |
| 1990 | 88 |
| 1991 | 129 |
| 1992 | 111 |
| 1993 | 133 |
| 1994 | 107 |
| 1995 | 131 |
| 1996 | 126 |
| 1997 | 130 |
| 1998 | 134 |
| 1999 | 121 |
| 2000 | 147 |
| 2001 | 146 |
| 2002 | 187 |
| 2003 | 149 |
| 2004 | 183 |
| 2005 | 210 |
| 2006 | 226 |
| 2007 | 195 |
| 2008 | 239 |
| 2009 | 285 |
| 2010 | 276 |
| 2011 | 320 |
| 2012 | 336 |
| 2013 | 367 |
| 2014 | 330 |
| 2015 | 357 |
| 2016 | 480 |
| 2017 | 462 |
| 2018 | 461 |
| 2019 | 477 |
| 2020 | 575 |
| 2021 | 609 |
| 2022 | 593 |
| 2023 | 145 |