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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1889 | 1 |
| 1891 | 2 |
| 1894 | 1 |
| 1895 | 2 |
| 1898 | 2 |
| 1906 | 2 |
| 1907 | 2 |
| 1909 | 1 |
| 1911 | 1 |
| 1912 | 1 |
| 1913 | 1 |
| 1915 | 2 |
| 1916 | 2 |
| 1917 | 3 |
| 1918 | 2 |
| 1919 | 3 |
| 1920 | 2 |
| 1925 | 1 |
| 1928 | 2 |
| 1929 | 2 |
| 1930 | 2 |
| 1933 | 1 |
| 1937 | 1 |
| 1938 | 1 |
| 1948 | 4 |
| 1949 | 1 |
| 1957 | 1 |
| 1958 | 2 |
| 1959 | 1 |
| 1963 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1972 | 3 |
| 1974 | 4 |
| 1975 | 3 |
| 1976 | 3 |
| 1977 | 3 |
| 1978 | 3 |
| 1979 | 8 |
| 1980 | 3 |
| 1981 | 10 |
| 1982 | 2 |
| 1983 | 1 |
| 1984 | 5 |
| 1985 | 1 |
| 1986 | 3 |
| 1987 | 5 |
| 1988 | 4 |
| 1989 | 4 |
| 1990 | 5 |
| 1991 | 3 |
| 1992 | 12 |
| 1993 | 9 |
| 1994 | 9 |
| 1995 | 15 |
| 1996 | 16 |
| 1997 | 8 |
| 1998 | 13 |
| 1999 | 20 |
| 2000 | 26 |
| 2001 | 23 |
| 2002 | 26 |
| 2003 | 27 |
| 2004 | 23 |
| 2005 | 25 |
| 2006 | 24 |
| 2007 | 25 |
| 2008 | 21 |
| 2009 | 36 |
| 2010 | 15 |
| 2011 | 30 |
| 2012 | 33 |
| 2013 | 32 |
| 2014 | 41 |
| 2015 | 44 |
| 2016 | 54 |
| 2017 | 43 |
| 2018 | 51 |
| 2019 | 57 |
| 2020 | 64 |
| 2021 | 62 |
| 2022 | 48 |
| 2023 | 59 |