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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1921 | 1 |
| 1949 | 1 |
| 1953 | 2 |
| 1954 | 2 |
| 1955 | 3 |
| 1956 | 3 |
| 1959 | 1 |
| 1960 | 9 |
| 1961 | 3 |
| 1962 | 10 |
| 1963 | 10 |
| 1964 | 7 |
| 1965 | 3 |
| 1966 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 3 |
| 1977 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1985 | 1 |
| 1991 | 2 |
| 1992 | 1 |
| 1994 | 2 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 1 |
| 2000 | 2 |
| 2001 | 2 |
| 2002 | 4 |
| 2003 | 2 |
| 2005 | 2 |
| 2007 | 1 |
| 2008 | 2 |
| 2009 | 1 |
| 2014 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2024 | 0 |