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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1872 | 1 |
| 1880 | 1 |
| 1883 | 1 |
| 1887 | 1 |
| 1889 | 1 |
| 1893 | 2 |
| 1895 | 1 |
| 1896 | 1 |
| 1928 | 1 |
| 1946 | 1 |
| 1947 | 3 |
| 1948 | 3 |
| 1949 | 1 |
| 1951 | 2 |
| 1953 | 2 |
| 1956 | 2 |
| 1958 | 2 |
| 1965 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 3 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 4 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 2 |
| 1978 | 2 |
| 1981 | 1 |
| 1982 | 2 |
| 1983 | 3 |
| 1986 | 2 |
| 1987 | 2 |
| 1988 | 1 |
| 1990 | 2 |
| 1991 | 1 |
| 1993 | 2 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 3 |
| 1999 | 1 |
| 2000 | 1 |
| 2003 | 1 |
| 2006 | 1 |
| 2009 | 1 |
| 2012 | 1 |
| 2013 | 5 |
| 2014 | 3 |
| 2015 | 2 |
| 2016 | 8 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 8 |
| 2024 | 2 |