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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1808 | 1 |
| 1820 | 1 |
| 1846 | 1 |
| 1849 | 1 |
| 1867 | 1 |
| 1871 | 1 |
| 1874 | 1 |
| 1879 | 1 |
| 1881 | 1 |
| 1882 | 1 |
| 1884 | 3 |
| 1885 | 1 |
| 1886 | 1 |
| 1887 | 1 |
| 1890 | 2 |
| 1895 | 1 |
| 1896 | 1 |
| 1897 | 1 |
| 1946 | 2 |
| 1948 | 2 |
| 1949 | 1 |
| 1951 | 4 |
| 1952 | 3 |
| 1953 | 2 |
| 1954 | 2 |
| 1955 | 7 |
| 1956 | 1 |
| 1957 | 7 |
| 1958 | 3 |
| 1959 | 2 |
| 1960 | 5 |
| 1962 | 1 |
| 1963 | 4 |
| 1964 | 5 |
| 1965 | 3 |
| 1966 | 2 |
| 1967 | 15 |
| 1968 | 12 |
| 1969 | 11 |
| 1970 | 3 |
| 1971 | 2 |
| 1972 | 2 |
| 1973 | 4 |
| 1975 | 2 |
| 1976 | 1 |
| 1977 | 3 |
| 1978 | 1 |
| 1979 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1988 | 4 |
| 1989 | 5 |
| 1990 | 3 |
| 1991 | 2 |
| 1992 | 2 |
| 1993 | 1 |
| 1999 | 2 |
| 2000 | 2 |
| 2002 | 4 |
| 2003 | 1 |
| 2004 | 7 |
| 2005 | 3 |
| 2008 | 3 |
| 2009 | 3 |
| 2010 | 4 |
| 2011 | 4 |
| 2012 | 1 |
| 2013 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2019 | 2 |
| 2022 | 2 |
| 2023 | 1 |