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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1855 | 1 |
| 1888 | 1 |
| 1915 | 1 |
| 1919 | 1 |
| 1953 | 4 |
| 1954 | 4 |
| 1955 | 2 |
| 1957 | 1 |
| 1959 | 1 |
| 1968 | 1 |
| 1970 | 1 |
| 1971 | 2 |
| 1976 | 2 |
| 1979 | 1 |
| 1981 | 2 |
| 1982 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1989 | 1 |
| 1992 | 2 |
| 1993 | 3 |
| 1994 | 4 |
| 1995 | 1 |
| 1996 | 4 |
| 1997 | 2 |
| 1998 | 3 |
| 1999 | 2 |
| 2000 | 1 |
| 2001 | 5 |
| 2002 | 12 |
| 2003 | 7 |
| 2004 | 17 |
| 2005 | 48 |
| 2006 | 59 |
| 2007 | 47 |
| 2008 | 33 |
| 2009 | 23 |
| 2010 | 29 |
| 2011 | 23 |
| 2012 | 7 |
| 2013 | 12 |
| 2014 | 12 |
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2020 | 1 |
| 2022 | 1 |
| 2024 | 0 |