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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 5 |
| 1951 | 10 |
| 1952 | 6 |
| 1953 | 8 |
| 1954 | 10 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 11 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 4 |
| 1965 | 1 |
| 1966 | 1 |
| 1968 | 2 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 1 |
| 1975 | 2 |
| 1977 | 1 |
| 1990 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 2005 | 1 |
| 2006 | 2 |
| 2007 | 1 |
| 2009 | 2 |
| 2011 | 2 |
| 2018 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |