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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1932 | 1 |
| 1940 | 1 |
| 1946 | 1 |
| 1947 | 2 |
| 1948 | 3 |
| 1951 | 1 |
| 1953 | 1 |
| 1956 | 2 |
| 1957 | 3 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 2 |
| 1964 | 2 |
| 1965 | 1 |
| 1966 | 2 |
| 1974 | 1 |
| 1975 | 1 |
| 1981 | 2 |
| 1986 | 5 |
| 1987 | 2 |
| 1988 | 4 |
| 1989 | 5 |
| 1990 | 1 |
| 1991 | 3 |
| 1992 | 1 |
| 1995 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2021 | 1 |
| 2023 | 0 |