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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1971 | 1 |
| 1974 | 2 |
| 1975 | 2 |
| 1976 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 2 |
| 1982 | 2 |
| 1983 | 1 |
| 1985 | 1 |
| 1986 | 2 |
| 1987 | 3 |
| 1988 | 4 |
| 1989 | 10 |
| 1990 | 11 |
| 1991 | 7 |
| 1992 | 3 |
| 1994 | 3 |
| 1995 | 2 |
| 1996 | 1 |
| 2000 | 2 |
| 2003 | 1 |
| 2004 | 1 |
| 2006 | 1 |
| 2011 | 1 |
| 2015 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2023 | 4 |
| 2024 | 1 |