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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 2 |
| 1948 | 2 |
| 1949 | 1 |
| 1950 | 1 |
| 1953 | 1 |
| 1957 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1963 | 3 |
| 1966 | 2 |
| 1967 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1984 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 4 |
| 1989 | 5 |
| 1990 | 3 |
| 1991 | 3 |
| 1992 | 3 |
| 1993 | 3 |
| 1995 | 3 |
| 1997 | 2 |
| 1998 | 1 |
| 1999 | 2 |
| 2000 | 3 |
| 2001 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2010 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2019 | 1 |
| 2023 | 0 |