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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1948 | 1 |
| 1949 | 1 |
| 1951 | 2 |
| 1953 | 2 |
| 1956 | 1 |
| 1959 | 1 |
| 1963 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1970 | 1 |
| 1971 | 3 |
| 1979 | 2 |
| 1988 | 2 |
| 1989 | 1 |
| 1991 | 1 |
| 1998 | 1 |
| 1999 | 1 |
| 2000 | 3 |
| 2001 | 2 |
| 2002 | 1 |
| 2005 | 2 |
| 2010 | 1 |
| 2011 | 3 |
| 2012 | 7 |
| 2013 | 3 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 17 |
| 2022 | 19 |
| 2023 | 9 |
| 2024 | 8 |