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and transmitted securely.
Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 3 |
| 1960 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 4 |
| 1966 | 1 |
| 1967 | 1 |
| 1969 | 1 |
| 1971 | 3 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1976 | 3 |
| 1977 | 1 |
| 1978 | 1 |
| 1980 | 2 |
| 1981 | 2 |
| 1982 | 2 |
| 1983 | 3 |
| 1984 | 4 |
| 1986 | 1 |
| 1987 | 1 |
| 1999 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2007 | 1 |
| 2009 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 2 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 1 |
| 2026 | 0 |