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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1873 | 1 |
| 1889 | 1 |
| 1891 | 1 |
| 1896 | 1 |
| 1899 | 2 |
| 1912 | 1 |
| 1917 | 1 |
| 1919 | 1 |
| 1923 | 2 |
| 1924 | 3 |
| 1948 | 1 |
| 1949 | 3 |
| 1950 | 1 |
| 1951 | 2 |
| 1952 | 2 |
| 1953 | 2 |
| 1954 | 1 |
| 1956 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1969 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1982 | 1 |
| 1987 | 2 |
| 1988 | 2 |
| 1989 | 1 |
| 1990 | 3 |
| 1991 | 3 |
| 1993 | 3 |
| 1994 | 2 |
| 1995 | 2 |
| 1996 | 2 |
| 1997 | 2 |
| 1998 | 1 |
| 2000 | 3 |
| 2001 | 3 |
| 2002 | 1 |
| 2003 | 3 |
| 2004 | 3 |
| 2005 | 8 |
| 2007 | 1 |
| 2009 | 1 |
| 2010 | 3 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2020 | 2 |
| 2023 | 1 |
| 2024 | 1 |