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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1846 | 1 |
| 1851 | 1 |
| 1853 | 1 |
| 1857 | 1 |
| 1879 | 1 |
| 1880 | 1 |
| 1883 | 1 |
| 1886 | 1 |
| 1887 | 3 |
| 1888 | 2 |
| 1889 | 8 |
| 1890 | 2 |
| 1891 | 1 |
| 1892 | 1 |
| 1894 | 2 |
| 1899 | 1 |
| 1900 | 1 |
| 1901 | 2 |
| 1903 | 1 |
| 1904 | 1 |
| 1905 | 2 |
| 1906 | 5 |
| 1908 | 1 |
| 1909 | 3 |
| 1910 | 3 |
| 1911 | 1 |
| 1912 | 2 |
| 1913 | 4 |
| 1914 | 2 |
| 1922 | 2 |
| 1923 | 1 |
| 1924 | 3 |
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 2 |
| 1928 | 2 |
| 1929 | 1 |
| 1930 | 2 |
| 1931 | 6 |
| 1932 | 1 |
| 1933 | 2 |
| 1935 | 1 |
| 1936 | 3 |
| 1937 | 3 |
| 1938 | 4 |
| 1939 | 5 |
| 1940 | 2 |
| 1941 | 4 |
| 1942 | 1 |
| 1943 | 3 |
| 1945 | 1 |
| 1946 | 3 |
| 1947 | 3 |
| 1948 | 3 |
| 1949 | 6 |
| 1950 | 4 |
| 1951 | 6 |
| 1952 | 6 |
| 1953 | 2 |
| 1954 | 4 |
| 1955 | 10 |
| 1956 | 4 |
| 1957 | 5 |
| 1958 | 4 |
| 1959 | 5 |
| 1960 | 4 |
| 1961 | 6 |
| 1962 | 6 |
| 1963 | 7 |
| 1964 | 14 |
| 1965 | 12 |
| 1966 | 18 |
| 1967 | 27 |
| 1968 | 27 |
| 1969 | 31 |
| 1970 | 35 |
| 1971 | 41 |
| 1972 | 52 |
| 1973 | 39 |
| 1974 | 34 |
| 1975 | 38 |
| 1976 | 50 |
| 1977 | 53 |
| 1978 | 49 |
| 1979 | 55 |
| 1980 | 58 |
| 1981 | 54 |
| 1982 | 61 |
| 1983 | 62 |
| 1984 | 72 |
| 1985 | 60 |
| 1986 | 86 |
| 1987 | 384 |
| 1988 | 768 |
| 1989 | 810 |
| 1990 | 939 |
| 1991 | 1015 |
| 1992 | 1109 |
| 1993 | 1271 |
| 1994 | 1349 |
| 1995 | 1481 |
| 1996 | 1710 |
| 1997 | 1779 |
| 1998 | 1823 |
| 1999 | 2031 |
| 2000 | 2248 |
| 2001 | 2430 |
| 2002 | 2342 |
| 2003 | 2545 |
| 2004 | 2623 |
| 2005 | 3046 |
| 2006 | 3331 |
| 2007 | 3665 |
| 2008 | 3885 |
| 2009 | 4257 |
| 2010 | 4697 |
| 2011 | 5528 |
| 2012 | 5945 |
| 2013 | 7285 |
| 2014 | 10357 |
| 2015 | 12567 |
| 2016 | 13952 |
| 2017 | 14823 |
| 2018 | 16157 |
| 2019 | 17259 |
| 2020 | 19550 |
| 2021 | 21514 |
| 2022 | 21051 |
| 2023 | 18944 |
| 2024 | 7094 |