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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1921 | 1 |
| 1922 | 1 |
| 1923 | 1 |
| 1925 | 1 |
| 1930 | 1 |
| 1931 | 3 |
| 1935 | 1 |
| 1942 | 1 |
| 1944 | 1 |
| 1945 | 5 |
| 1946 | 4 |
| 1950 | 1 |
| 1955 | 1 |
| 1962 | 2 |
| 1963 | 2 |
| 1964 | 4 |
| 1965 | 2 |
| 1966 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1980 | 2 |
| 1986 | 1 |
| 1989 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1994 | 2 |
| 1996 | 1 |
| 1998 | 1 |
| 2001 | 5 |
| 2002 | 2 |
| 2003 | 2 |
| 2004 | 3 |
| 2005 | 1 |
| 2006 | 4 |
| 2007 | 1 |
| 2009 | 2 |
| 2010 | 3 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |