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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1950 | 2 |
| 1952 | 1 |
| 1953 | 3 |
| 1956 | 2 |
| 1959 | 3 |
| 1960 | 1 |
| 1961 | 2 |
| 1963 | 1 |
| 1964 | 16 |
| 1965 | 2 |
| 1970 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1979 | 2 |
| 1980 | 2 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 2 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 2 |
| 1991 | 2 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1998 | 2 |
| 2000 | 1 |
| 2002 | 1 |
| 2007 | 6 |
| 2008 | 4 |
| 2009 | 2 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 3 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 2 |
| 2024 | 0 |