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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1877 | 1 |
| 1888 | 1 |
| 1909 | 1 |
| 1913 | 1 |
| 1915 | 1 |
| 1919 | 1 |
| 1921 | 1 |
| 1926 | 1 |
| 1929 | 1 |
| 1930 | 1 |
| 1937 | 1 |
| 1947 | 1 |
| 1961 | 1 |
| 1963 | 4 |
| 1964 | 3 |
| 1966 | 3 |
| 1967 | 2 |
| 1968 | 1 |
| 1969 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1976 | 1 |
| 1978 | 3 |
| 1981 | 3 |
| 1982 | 4 |
| 1983 | 1 |
| 1985 | 2 |
| 1986 | 2 |
| 1987 | 3 |
| 1988 | 3 |
| 1989 | 1 |
| 1990 | 2 |
| 1991 | 3 |
| 1992 | 10 |
| 1993 | 5 |
| 1994 | 2 |
| 1995 | 4 |
| 1996 | 2 |
| 1997 | 7 |
| 1998 | 5 |
| 1999 | 9 |
| 2000 | 23 |
| 2001 | 14 |
| 2002 | 23 |
| 2003 | 22 |
| 2004 | 27 |
| 2005 | 30 |
| 2006 | 36 |
| 2007 | 30 |
| 2008 | 39 |
| 2009 | 46 |
| 2010 | 58 |
| 2011 | 57 |
| 2012 | 68 |
| 2013 | 66 |
| 2014 | 94 |
| 2015 | 110 |
| 2016 | 101 |
| 2017 | 102 |
| 2018 | 113 |
| 2019 | 117 |
| 2020 | 138 |
| 2021 | 159 |
| 2022 | 162 |
| 2023 | 152 |
| 2024 | 75 |