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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1859 | 1 |
| 1861 | 2 |
| 1862 | 1 |
| 1867 | 3 |
| 1868 | 5 |
| 1869 | 4 |
| 1870 | 3 |
| 1871 | 5 |
| 1872 | 5 |
| 1873 | 2 |
| 1874 | 1 |
| 1875 | 2 |
| 1876 | 3 |
| 1878 | 1 |
| 1879 | 1 |
| 1880 | 3 |
| 1881 | 1 |
| 1882 | 3 |
| 1883 | 2 |
| 1885 | 3 |
| 1902 | 1 |
| 1959 | 1 |
| 1964 | 4 |
| 1965 | 3 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 3 |
| 1974 | 3 |
| 1975 | 3 |
| 1977 | 5 |
| 1978 | 4 |
| 1979 | 2 |
| 1980 | 5 |
| 1981 | 12 |
| 1982 | 9 |
| 1983 | 15 |
| 1984 | 11 |
| 1985 | 14 |
| 1986 | 9 |
| 1987 | 8 |
| 1988 | 20 |
| 1989 | 8 |
| 1990 | 16 |
| 1991 | 17 |
| 1992 | 11 |
| 1993 | 9 |
| 1994 | 20 |
| 1995 | 11 |
| 1996 | 14 |
| 1997 | 16 |
| 1998 | 8 |
| 1999 | 18 |
| 2000 | 19 |
| 2001 | 16 |
| 2002 | 16 |
| 2003 | 23 |
| 2004 | 22 |
| 2005 | 26 |
| 2006 | 35 |
| 2007 | 39 |
| 2008 | 21 |
| 2009 | 19 |
| 2010 | 29 |
| 2011 | 36 |
| 2012 | 51 |
| 2013 | 37 |
| 2014 | 55 |
| 2015 | 83 |
| 2016 | 86 |
| 2017 | 77 |
| 2018 | 74 |
| 2019 | 47 |
| 2020 | 56 |
| 2021 | 70 |
| 2022 | 54 |
| 2023 | 81 |
| 2024 | 67 |