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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1868 | 1 |
| 1876 | 1 |
| 1877 | 4 |
| 1880 | 1 |
| 1889 | 1 |
| 1890 | 1 |
| 1892 | 1 |
| 1894 | 1 |
| 1904 | 1 |
| 1917 | 1 |
| 1936 | 2 |
| 1939 | 1 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1962 | 1 |
| 1964 | 1 |
| 1965 | 4 |
| 1966 | 4 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 1 |
| 1973 | 2 |
| 1974 | 1 |
| 1975 | 1 |
| 1979 | 1 |
| 1980 | 2 |
| 1982 | 1 |
| 1983 | 3 |
| 1985 | 2 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 3 |
| 1991 | 2 |
| 1992 | 5 |
| 1993 | 5 |
| 1994 | 3 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 4 |
| 1998 | 1 |
| 1999 | 2 |
| 2000 | 3 |
| 2001 | 3 |
| 2003 | 2 |
| 2004 | 7 |
| 2005 | 7 |
| 2006 | 4 |
| 2008 | 4 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2022 | 1 |
| 2024 | 0 |