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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 2 |
| 1953 | 1 |
| 1955 | 3 |
| 1957 | 1 |
| 1958 | 2 |
| 1961 | 1 |
| 1962 | 1 |
| 1964 | 2 |
| 1966 | 1 |
| 1970 | 5 |
| 1972 | 1 |
| 1974 | 4 |
| 1976 | 1 |
| 1978 | 2 |
| 1980 | 4 |
| 1981 | 3 |
| 1983 | 1 |
| 1984 | 2 |
| 1986 | 1 |
| 1988 | 1 |
| 1989 | 3 |
| 1992 | 1 |
| 1994 | 2 |
| 1995 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 2003 | 2 |
| 2023 | 0 |