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and transmitted securely.
Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1957 | 1 |
| 1961 | 1 |
| 1964 | 2 |
| 1965 | 3 |
| 1967 | 2 |
| 1968 | 8 |
| 1969 | 13 |
| 1970 | 9 |
| 1971 | 10 |
| 1972 | 11 |
| 1973 | 13 |
| 1974 | 11 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 3 |
| 1978 | 3 |
| 1979 | 1 |
| 1981 | 3 |
| 1982 | 2 |
| 1983 | 1 |
| 1984 | 2 |
| 1987 | 2 |
| 1989 | 1 |
| 1997 | 3 |
| 1998 | 2 |
| 2001 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2010 | 2 |
| 2011 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2024 | 0 |