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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1820 | 1 |
| 1828 | 2 |
| 1831 | 1 |
| 1849 | 1 |
| 1850 | 4 |
| 1851 | 1 |
| 1854 | 2 |
| 1855 | 2 |
| 1864 | 1 |
| 1865 | 1 |
| 1870 | 1 |
| 1943 | 2 |
| 1946 | 1 |
| 1949 | 1 |
| 1951 | 1 |
| 1965 | 1 |
| 1966 | 2 |
| 1967 | 1 |
| 1969 | 1 |
| 1973 | 1 |
| 1975 | 2 |
| 1976 | 3 |
| 1977 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 6 |
| 1985 | 4 |
| 1986 | 4 |
| 1987 | 1 |
| 1988 | 5 |
| 1989 | 5 |
| 1990 | 5 |
| 1991 | 1 |
| 1992 | 4 |
| 1993 | 3 |
| 1994 | 3 |
| 1995 | 7 |
| 1996 | 5 |
| 1997 | 7 |
| 1998 | 7 |
| 1999 | 6 |
| 2000 | 6 |
| 2001 | 5 |
| 2002 | 7 |
| 2003 | 5 |
| 2004 | 6 |
| 2005 | 11 |
| 2006 | 16 |
| 2007 | 22 |
| 2008 | 22 |
| 2009 | 20 |
| 2010 | 29 |
| 2011 | 26 |
| 2012 | 24 |
| 2013 | 36 |
| 2014 | 39 |
| 2015 | 39 |
| 2016 | 51 |
| 2017 | 58 |
| 2018 | 66 |
| 2019 | 65 |
| 2020 | 95 |
| 2021 | 92 |
| 2022 | 105 |
| 2023 | 44 |