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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1850 | 1 |
| 1855 | 1 |
| 1859 | 1 |
| 1860 | 2 |
| 1863 | 2 |
| 1867 | 1 |
| 1887 | 1 |
| 1892 | 1 |
| 1917 | 1 |
| 1918 | 1 |
| 1933 | 1 |
| 1951 | 3 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 1 |
| 1958 | 4 |
| 1959 | 2 |
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 3 |
| 1963 | 4 |
| 1964 | 4 |
| 1967 | 1 |
| 1968 | 4 |
| 1969 | 4 |
| 1970 | 2 |
| 1971 | 4 |
| 1972 | 3 |
| 1973 | 5 |
| 1974 | 2 |
| 1975 | 7 |
| 1976 | 9 |
| 1977 | 11 |
| 1978 | 9 |
| 1979 | 12 |
| 1980 | 10 |
| 1981 | 19 |
| 1982 | 17 |
| 1983 | 10 |
| 1984 | 21 |
| 1985 | 17 |
| 1986 | 20 |
| 1987 | 17 |
| 1988 | 23 |
| 1989 | 28 |
| 1990 | 25 |
| 1991 | 25 |
| 1992 | 42 |
| 1993 | 36 |
| 1994 | 49 |
| 1995 | 44 |
| 1996 | 44 |
| 1997 | 39 |
| 1998 | 49 |
| 1999 | 61 |
| 2000 | 44 |
| 2001 | 49 |
| 2002 | 52 |
| 2003 | 66 |
| 2004 | 61 |
| 2005 | 102 |
| 2006 | 101 |
| 2007 | 108 |
| 2008 | 117 |
| 2009 | 120 |
| 2010 | 130 |
| 2011 | 148 |
| 2012 | 171 |
| 2013 | 187 |
| 2014 | 195 |
| 2015 | 212 |
| 2016 | 213 |
| 2017 | 190 |
| 2018 | 209 |
| 2019 | 252 |
| 2020 | 279 |
| 2021 | 276 |
| 2022 | 244 |
| 2023 | 200 |
| 2024 | 66 |