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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 1 |
| 1954 | 1 |
| 1956 | 2 |
| 1957 | 1 |
| 1961 | 1 |
| 1963 | 2 |
| 1965 | 4 |
| 1970 | 4 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 3 |
| 1978 | 1 |
| 1979 | 1 |
| 1987 | 2 |
| 1991 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 2 |
| 1997 | 3 |
| 1998 | 2 |
| 1999 | 2 |
| 2000 | 2 |
| 2001 | 3 |
| 2002 | 5 |
| 2003 | 8 |
| 2004 | 4 |
| 2005 | 5 |
| 2006 | 6 |
| 2007 | 9 |
| 2008 | 8 |
| 2009 | 9 |
| 2010 | 31 |
| 2011 | 46 |
| 2012 | 66 |
| 2013 | 73 |
| 2014 | 110 |
| 2015 | 80 |
| 2016 | 70 |
| 2017 | 44 |
| 2018 | 28 |
| 2019 | 29 |
| 2020 | 66 |
| 2021 | 78 |
| 2022 | 81 |
| 2023 | 59 |
| 2024 | 29 |