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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1840 | 1 |
| 1859 | 1 |
| 1860 | 3 |
| 1861 | 3 |
| 1862 | 2 |
| 1865 | 4 |
| 1867 | 2 |
| 1869 | 1 |
| 1881 | 1 |
| 1882 | 1 |
| 1895 | 1 |
| 1906 | 1 |
| 1908 | 1 |
| 1949 | 1 |
| 1951 | 1 |
| 1963 | 1 |
| 1965 | 1 |
| 1967 | 1 |
| 1972 | 1 |
| 1974 | 1 |
| 1975 | 2 |
| 1977 | 1 |
| 1978 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1984 | 1 |
| 1990 | 6 |
| 1991 | 1 |
| 1993 | 1 |
| 1996 | 1 |
| 1997 | 2 |
| 1998 | 1 |
| 1999 | 1 |
| 2003 | 2 |
| 2006 | 1 |
| 2007 | 1 |
| 2023 | 1 |
| 2024 | 1 |