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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1854 | 1 |
| 1951 | 1 |
| 1957 | 1 |
| 1965 | 1 |
| 1967 | 2 |
| 1969 | 2 |
| 1970 | 2 |
| 1972 | 1 |
| 1976 | 1 |
| 1980 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1986 | 1 |
| 1988 | 2 |
| 1991 | 1 |
| 1992 | 2 |
| 1996 | 1 |
| 1997 | 1 |
| 1999 | 1 |
| 2000 | 2 |
| 2003 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 2 |
| 2008 | 1 |
| 2010 | 1 |
| 2011 | 3 |
| 2012 | 4 |
| 2013 | 4 |
| 2014 | 1 |
| 2015 | 2 |
| 2023 | 1 |
| 2024 | 0 |