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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1913 | 1 |
| 1918 | 1 |
| 1925 | 1 |
| 1935 | 1 |
| 1937 | 1 |
| 1945 | 1 |
| 1947 | 2 |
| 1948 | 1 |
| 1949 | 2 |
| 1950 | 7 |
| 1951 | 4 |
| 1953 | 1 |
| 1960 | 1 |
| 1964 | 3 |
| 1966 | 3 |
| 1967 | 3 |
| 1968 | 3 |
| 1969 | 4 |
| 1970 | 3 |
| 1971 | 4 |
| 1972 | 2 |
| 1974 | 1 |
| 1975 | 1 |
| 1977 | 2 |
| 1979 | 1 |
| 1981 | 1 |
| 1986 | 1 |
| 1991 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 2 |
| 2000 | 1 |
| 2001 | 2 |
| 2002 | 2 |
| 2003 | 2 |
| 2005 | 1 |
| 2007 | 1 |
| 2008 | 3 |
| 2009 | 2 |
| 2010 | 3 |
| 2011 | 2 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 3 |
| 2021 | 3 |
| 2023 | 4 |
| 2024 | 3 |