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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1869 | 2 |
| 1889 | 1 |
| 1900 | 1 |
| 1903 | 1 |
| 1904 | 1 |
| 1905 | 4 |
| 1906 | 3 |
| 1907 | 1 |
| 1908 | 3 |
| 1909 | 2 |
| 1912 | 2 |
| 1913 | 2 |
| 1930 | 1 |
| 1940 | 1 |
| 1947 | 2 |
| 1948 | 1 |
| 1949 | 2 |
| 1950 | 1 |
| 1951 | 2 |
| 1954 | 1 |
| 1955 | 6 |
| 1956 | 5 |
| 1957 | 3 |
| 1958 | 4 |
| 1959 | 1 |
| 1960 | 3 |
| 1961 | 1 |
| 1962 | 4 |
| 1963 | 2 |
| 1964 | 4 |
| 1965 | 5 |
| 1966 | 8 |
| 1967 | 5 |
| 1968 | 11 |
| 1969 | 6 |
| 1970 | 12 |
| 1971 | 12 |
| 1972 | 12 |
| 1973 | 11 |
| 1974 | 20 |
| 1975 | 16 |
| 1976 | 25 |
| 1977 | 12 |
| 1978 | 29 |
| 1979 | 18 |
| 1980 | 21 |
| 1981 | 13 |
| 1982 | 19 |
| 1983 | 18 |
| 1984 | 23 |
| 1985 | 25 |
| 1986 | 43 |
| 1987 | 47 |
| 1988 | 40 |
| 1989 | 45 |
| 1990 | 44 |
| 1991 | 40 |
| 1992 | 63 |
| 1993 | 64 |
| 1994 | 61 |
| 1995 | 66 |
| 1996 | 66 |
| 1997 | 84 |
| 1998 | 92 |
| 1999 | 73 |
| 2000 | 86 |
| 2001 | 71 |
| 2002 | 98 |
| 2003 | 113 |
| 2004 | 97 |
| 2005 | 113 |
| 2006 | 134 |
| 2007 | 134 |
| 2008 | 163 |
| 2009 | 181 |
| 2010 | 200 |
| 2011 | 222 |
| 2012 | 247 |
| 2013 | 273 |
| 2014 | 305 |
| 2015 | 280 |
| 2016 | 284 |
| 2017 | 283 |
| 2018 | 286 |
| 2019 | 322 |
| 2020 | 303 |
| 2021 | 302 |
| 2022 | 288 |
| 2023 | 212 |