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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1870 | 1 |
| 1872 | 1 |
| 1884 | 1 |
| 1895 | 2 |
| 1896 | 1 |
| 1899 | 1 |
| 1901 | 1 |
| 1902 | 1 |
| 1905 | 1 |
| 1908 | 2 |
| 1909 | 1 |
| 1910 | 1 |
| 1911 | 1 |
| 1921 | 1 |
| 1929 | 1 |
| 1930 | 1 |
| 1931 | 4 |
| 1932 | 2 |
| 1933 | 1 |
| 1935 | 1 |
| 1937 | 1 |
| 1938 | 1 |
| 1939 | 1 |
| 1941 | 1 |
| 1944 | 1 |
| 1945 | 5 |
| 1946 | 11 |
| 1947 | 6 |
| 1948 | 5 |
| 1949 | 3 |
| 1950 | 4 |
| 1951 | 9 |
| 1952 | 2 |
| 1953 | 4 |
| 1954 | 5 |
| 1955 | 4 |
| 1956 | 4 |
| 1957 | 4 |
| 1958 | 7 |
| 1959 | 7 |
| 1960 | 9 |
| 1961 | 4 |
| 1962 | 9 |
| 1963 | 8 |
| 1964 | 6 |
| 1965 | 8 |
| 1966 | 20 |
| 1967 | 13 |
| 1968 | 26 |
| 1969 | 26 |
| 1970 | 16 |
| 1971 | 19 |
| 1972 | 19 |
| 1973 | 35 |
| 1974 | 39 |
| 1975 | 35 |
| 1976 | 40 |
| 1977 | 40 |
| 1978 | 38 |
| 1979 | 46 |
| 1980 | 50 |
| 1981 | 49 |
| 1982 | 35 |
| 1983 | 41 |
| 1984 | 74 |
| 1985 | 56 |
| 1986 | 60 |
| 1987 | 78 |
| 1988 | 79 |
| 1989 | 87 |
| 1990 | 93 |
| 1991 | 92 |
| 1992 | 76 |
| 1993 | 92 |
| 1994 | 83 |
| 1995 | 93 |
| 1996 | 94 |
| 1997 | 88 |
| 1998 | 129 |
| 1999 | 107 |
| 2000 | 102 |
| 2001 | 117 |
| 2002 | 110 |
| 2003 | 101 |
| 2004 | 100 |
| 2005 | 112 |
| 2006 | 115 |
| 2007 | 129 |
| 2008 | 134 |
| 2009 | 125 |
| 2010 | 153 |
| 2011 | 191 |
| 2012 | 220 |
| 2013 | 227 |
| 2014 | 210 |
| 2015 | 252 |
| 2016 | 276 |
| 2017 | 274 |
| 2018 | 251 |
| 2019 | 238 |
| 2020 | 276 |
| 2021 | 278 |
| 2022 | 280 |
| 2023 | 125 |