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and transmitted securely.
Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1965 | 13 |
| 1966 | 17 |
| 1967 | 21 |
| 1968 | 26 |
| 1969 | 33 |
| 1970 | 20 |
| 1971 | 19 |
| 1972 | 14 |
| 1973 | 15 |
| 1974 | 14 |
| 1975 | 13 |
| 1976 | 8 |
| 1977 | 4 |
| 1978 | 1 |
| 1980 | 2 |
| 1981 | 1 |
| 1983 | 2 |
| 1984 | 5 |
| 1986 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 1 |
| 1997 | 2 |
| 1998 | 1 |
| 2003 | 2 |
| 2004 | 1 |
| 2010 | 1 |
| 2015 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2024 | 0 |