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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 3 |
| 1948 | 2 |
| 1949 | 4 |
| 1950 | 7 |
| 1951 | 6 |
| 1952 | 2 |
| 1953 | 3 |
| 1954 | 4 |
| 1955 | 4 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 2 |
| 1959 | 5 |
| 1960 | 2 |
| 1961 | 2 |
| 1962 | 6 |
| 1963 | 6 |
| 1964 | 2 |
| 1965 | 6 |
| 1992 | 2 |
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 3 |
| 1997 | 2 |
| 1998 | 2 |
| 2000 | 1 |
| 2001 | 12 |
| 2002 | 2 |
| 2003 | 5 |
| 2004 | 8 |
| 2005 | 7 |
| 2006 | 18 |
| 2007 | 16 |
| 2008 | 36 |
| 2009 | 58 |
| 2010 | 49 |
| 2011 | 42 |
| 2012 | 69 |
| 2013 | 74 |
| 2014 | 70 |
| 2015 | 66 |
| 2016 | 65 |
| 2017 | 59 |
| 2018 | 61 |
| 2019 | 47 |
| 2020 | 30 |
| 2021 | 24 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 3 |