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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1853 | 2 |
| 1855 | 10 |
| 1856 | 46 |
| 1887 | 1 |
| 1888 | 3 |
| 1889 | 1 |
| 1891 | 1 |
| 1892 | 1 |
| 1895 | 1 |
| 1898 | 1 |
| 1900 | 1 |
| 1901 | 1 |
| 1902 | 2 |
| 1904 | 1 |
| 1905 | 1 |
| 1909 | 2 |
| 1910 | 5 |
| 1911 | 10 |
| 1912 | 8 |
| 1913 | 9 |
| 1914 | 10 |
| 1915 | 7 |
| 1916 | 9 |
| 1917 | 10 |
| 1918 | 7 |
| 1919 | 15 |
| 1920 | 12 |
| 1921 | 9 |
| 1922 | 7 |
| 1923 | 7 |
| 1924 | 11 |
| 1925 | 22 |
| 1926 | 17 |
| 1927 | 27 |
| 1928 | 17 |
| 1929 | 18 |
| 1930 | 27 |
| 1931 | 28 |
| 1932 | 28 |
| 1933 | 24 |
| 1934 | 33 |
| 1935 | 16 |
| 1936 | 18 |
| 1937 | 21 |
| 1938 | 27 |
| 1939 | 19 |
| 1940 | 20 |
| 1941 | 18 |
| 1942 | 15 |
| 1943 | 23 |
| 1944 | 8 |
| 1945 | 34 |
| 1946 | 112 |
| 1947 | 109 |
| 1948 | 133 |
| 1949 | 91 |
| 1950 | 145 |
| 1951 | 199 |
| 1952 | 199 |
| 1953 | 179 |
| 1954 | 178 |
| 1955 | 157 |
| 1956 | 167 |
| 1957 | 182 |
| 1958 | 173 |
| 1959 | 162 |
| 1960 | 186 |
| 1961 | 168 |
| 1962 | 168 |
| 1963 | 238 |
| 1964 | 342 |
| 1965 | 320 |
| 1966 | 336 |
| 1967 | 379 |
| 1968 | 416 |
| 1969 | 420 |
| 1970 | 359 |
| 1971 | 353 |
| 1972 | 395 |
| 1973 | 525 |
| 1974 | 415 |
| 1975 | 833 |
| 1976 | 745 |
| 1977 | 716 |
| 1978 | 810 |
| 1979 | 802 |
| 1980 | 862 |
| 1981 | 879 |
| 1982 | 935 |
| 1983 | 1151 |
| 1984 | 1047 |
| 1985 | 1038 |
| 1986 | 1000 |
| 1987 | 1018 |
| 1988 | 1035 |
| 1989 | 1145 |
| 1990 | 1262 |
| 1991 | 1300 |
| 1992 | 1232 |
| 1993 | 1210 |
| 1994 | 1310 |
| 1995 | 1351 |
| 1996 | 1604 |
| 1997 | 1423 |
| 1998 | 1386 |
| 1999 | 1453 |
| 2000 | 1602 |
| 2001 | 1504 |
| 2002 | 1683 |
| 2003 | 1627 |
| 2004 | 1752 |
| 2005 | 1842 |
| 2006 | 1883 |
| 2007 | 1760 |
| 2008 | 1856 |
| 2009 | 1901 |
| 2010 | 1974 |
| 2011 | 2082 |
| 2012 | 2382 |
| 2013 | 2447 |
| 2014 | 2632 |
| 2015 | 2714 |
| 2016 | 2298 |
| 2017 | 1741 |
| 2018 | 2452 |
| 2019 | 2722 |
| 2020 | 3239 |
| 2021 | 3448 |
| 2022 | 3321 |
| 2023 | 2937 |
| 2024 | 1259 |