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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1810 | 1 |
| 1823 | 1 |
| 1852 | 1 |
| 1867 | 1 |
| 1946 | 8 |
| 1947 | 10 |
| 1948 | 15 |
| 1949 | 5 |
| 1950 | 20 |
| 1951 | 14 |
| 1952 | 5 |
| 1953 | 3 |
| 1954 | 2 |
| 1955 | 2 |
| 1956 | 3 |
| 1957 | 1 |
| 1959 | 2 |
| 1961 | 2 |
| 1963 | 3 |
| 1965 | 1 |
| 1967 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1976 | 1 |
| 1982 | 1 |
| 1988 | 1 |
| 1989 | 3 |
| 1992 | 1 |
| 1994 | 1 |
| 1996 | 2 |
| 1997 | 1 |
| 1998 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 2 |
| 2004 | 3 |
| 2006 | 2 |
| 2007 | 2 |
| 2008 | 1 |
| 2009 | 4 |
| 2010 | 1 |
| 2012 | 1 |
| 2013 | 3 |
| 2014 | 5 |
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 1 |
| 2024 | 0 |