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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1949 | 1 |
| 1952 | 3 |
| 1957 | 1 |
| 1958 | 1 |
| 1961 | 3 |
| 1962 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 3 |
| 1967 | 1 |
| 1975 | 1 |
| 1978 | 1 |
| 1983 | 1 |
| 1986 | 2 |
| 1987 | 1 |
| 1989 | 1 |
| 1991 | 2 |
| 1993 | 1 |
| 1994 | 2 |
| 1996 | 1 |
| 1997 | 2 |
| 1998 | 4 |
| 1999 | 2 |
| 2000 | 1 |
| 2001 | 1 |
| 2003 | 1 |
| 2004 | 2 |
| 2006 | 2 |
| 2009 | 1 |
| 2011 | 2 |
| 2015 | 1 |
| 2016 | 1 |
| 2022 | 1 |
| 2024 | 0 |