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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1867 | 1 |
| 1900 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1904 | 3 |
| 1905 | 1 |
| 1906 | 1 |
| 1907 | 3 |
| 1908 | 1 |
| 1909 | 1 |
| 1910 | 3 |
| 1911 | 1 |
| 1912 | 3 |
| 1913 | 1 |
| 1914 | 1 |
| 1916 | 2 |
| 1925 | 1 |
| 1927 | 1 |
| 1944 | 1 |
| 1945 | 2 |
| 1946 | 9 |
| 1947 | 2 |
| 1948 | 3 |
| 1949 | 3 |
| 1950 | 2 |
| 1951 | 4 |
| 1952 | 2 |
| 1953 | 5 |
| 1954 | 4 |
| 1955 | 5 |
| 1956 | 11 |
| 1957 | 6 |
| 1958 | 6 |
| 1959 | 8 |
| 1960 | 4 |
| 1961 | 5 |
| 1962 | 9 |
| 1963 | 5 |
| 1964 | 8 |
| 1965 | 3 |
| 1966 | 13 |
| 1967 | 8 |
| 1968 | 19 |
| 1969 | 29 |
| 1970 | 17 |
| 1971 | 31 |
| 1972 | 28 |
| 1973 | 33 |
| 1974 | 34 |
| 1975 | 37 |
| 1976 | 52 |
| 1977 | 62 |
| 1978 | 78 |
| 1979 | 60 |
| 1980 | 62 |
| 1981 | 63 |
| 1982 | 78 |
| 1983 | 67 |
| 1984 | 60 |
| 1985 | 78 |
| 1986 | 90 |
| 1987 | 88 |
| 1988 | 65 |
| 1989 | 78 |
| 1990 | 98 |
| 1991 | 98 |
| 1992 | 106 |
| 1993 | 119 |
| 1994 | 111 |
| 1995 | 133 |
| 1996 | 132 |
| 1997 | 127 |
| 1998 | 147 |
| 1999 | 146 |
| 2000 | 184 |
| 2001 | 186 |
| 2002 | 170 |
| 2003 | 169 |
| 2004 | 174 |
| 2005 | 224 |
| 2006 | 239 |
| 2007 | 264 |
| 2008 | 242 |
| 2009 | 265 |
| 2010 | 276 |
| 2011 | 301 |
| 2012 | 278 |
| 2013 | 293 |
| 2014 | 308 |
| 2015 | 348 |
| 2016 | 317 |
| 2017 | 330 |
| 2018 | 304 |
| 2019 | 293 |
| 2020 | 346 |
| 2021 | 395 |
| 2022 | 281 |
| 2023 | 62 |