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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1850 | 1 |
| 1852 | 1 |
| 1861 | 1 |
| 1887 | 1 |
| 1893 | 2 |
| 1934 | 2 |
| 1950 | 1 |
| 1968 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 5 |
| 1974 | 5 |
| 1975 | 3 |
| 1976 | 5 |
| 1977 | 3 |
| 1978 | 4 |
| 1979 | 4 |
| 1980 | 3 |
| 1981 | 3 |
| 1982 | 8 |
| 1983 | 7 |
| 1984 | 17 |
| 1985 | 20 |
| 1986 | 18 |
| 1987 | 18 |
| 1988 | 17 |
| 1989 | 12 |
| 1990 | 28 |
| 1991 | 32 |
| 1992 | 49 |
| 1993 | 61 |
| 1994 | 81 |
| 1995 | 115 |
| 1996 | 115 |
| 1997 | 116 |
| 1998 | 123 |
| 1999 | 102 |
| 2000 | 143 |
| 2001 | 133 |
| 2002 | 156 |
| 2003 | 137 |
| 2004 | 153 |
| 2005 | 143 |
| 2006 | 119 |
| 2007 | 122 |
| 2008 | 131 |
| 2009 | 145 |
| 2010 | 132 |
| 2011 | 110 |
| 2012 | 63 |
| 2013 | 67 |
| 2014 | 96 |
| 2015 | 121 |
| 2016 | 108 |
| 2017 | 108 |
| 2018 | 112 |
| 2019 | 104 |
| 2020 | 94 |
| 2021 | 88 |
| 2022 | 68 |
| 2023 | 83 |
| 2024 | 45 |