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and transmitted securely.
Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 3 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 4 |
| 1977 | 1 |
| 1978 | 5 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 6 |
| 1982 | 1 |
| 1983 | 1 |
| 1987 | 1 |
| 1992 | 1 |
| 1993 | 2 |
| 1998 | 1 |
| 1999 | 1 |
| 2003 | 3 |
| 2007 | 2 |
| 2009 | 2 |
| 2012 | 2 |
| 2016 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2023 | 0 |