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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1961 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1974 | 1 |
| 1976 | 1 |
| 1977 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 5 |
| 1985 | 1 |
| 1986 | 1 |
| 1998 | 1 |
| 1999 | 1 |
| 2000 | 2 |
| 2001 | 1 |
| 2002 | 6 |
| 2003 | 21 |
| 2004 | 35 |
| 2005 | 42 |
| 2006 | 52 |
| 2007 | 31 |
| 2008 | 35 |
| 2009 | 56 |
| 2010 | 39 |
| 2011 | 33 |
| 2012 | 30 |
| 2013 | 40 |
| 2014 | 32 |
| 2015 | 45 |
| 2016 | 33 |
| 2017 | 30 |
| 2018 | 33 |
| 2019 | 50 |
| 2020 | 37 |
| 2021 | 39 |
| 2022 | 55 |
| 2023 | 42 |