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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1877 | 1 |
| 1879 | 2 |
| 1897 | 1 |
| 1957 | 2 |
| 1958 | 3 |
| 1963 | 1 |
| 1966 | 1 |
| 1968 | 1 |
| 1969 | 3 |
| 1972 | 3 |
| 1975 | 1 |
| 1976 | 3 |
| 1978 | 2 |
| 1984 | 2 |
| 1987 | 1 |
| 1989 | 1 |
| 1992 | 1 |
| 1994 | 2 |
| 1995 | 1 |
| 1996 | 1 |
| 1998 | 2 |
| 2000 | 3 |
| 2001 | 4 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 4 |
| 2009 | 1 |
| 2011 | 1 |
| 2012 | 2 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 7 |
| 2018 | 2 |
| 2024 | 0 |