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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 12 |
| 1946 | 15 |
| 1947 | 26 |
| 1948 | 11 |
| 1949 | 23 |
| 1965 | 21 |
| 1966 | 22 |
| 1967 | 20 |
| 1968 | 33 |
| 1969 | 23 |
| 1970 | 21 |
| 1971 | 66 |
| 1972 | 49 |
| 1973 | 64 |
| 1974 | 58 |
| 1975 | 43 |
| 1976 | 28 |
| 1977 | 26 |
| 1978 | 27 |
| 1980 | 10 |
| 2005 | 1 |
| 2006 | 2 |
| 2007 | 3 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 3 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 14 |
| 2016 | 12 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 13 |
| 2020 | 20 |
| 2021 | 16 |
| 2022 | 18 |
| 2023 | 19 |