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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1931 | 1 |
| 1944 | 1 |
| 1945 | 2 |
| 1946 | 4 |
| 1947 | 2 |
| 1948 | 4 |
| 1949 | 2 |
| 1950 | 1 |
| 1953 | 1 |
| 1956 | 1 |
| 1959 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1965 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1975 | 1 |
| 1983 | 1 |
| 1988 | 2 |
| 1989 | 2 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 2 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 2 |
| 1997 | 2 |
| 2003 | 1 |
| 2005 | 2 |
| 2006 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2019 | 1 |
| 2025 | 0 |