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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 2 |
| 1948 | 9 |
| 1949 | 6 |
| 1951 | 1 |
| 1952 | 2 |
| 1956 | 2 |
| 1964 | 2 |
| 1974 | 2 |
| 1975 | 6 |
| 1976 | 4 |
| 1977 | 1 |
| 1978 | 7 |
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 2 |
| 1982 | 1 |
| 1983 | 1 |
| 1985 | 1 |
| 1989 | 2 |
| 1990 | 2 |
| 1991 | 4 |
| 1995 | 1 |
| 2000 | 1 |
| 2003 | 1 |
| 2006 | 1 |
| 2009 | 2 |
| 2012 | 2 |
| 2013 | 1 |
| 2015 | 6 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 11 |
| 2021 | 12 |
| 2022 | 13 |
| 2023 | 10 |