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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 2 |
| 1954 | 3 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1971 | 3 |
| 1975 | 3 |
| 1977 | 3 |
| 1978 | 1 |
| 1979 | 1 |
| 1981 | 2 |
| 1985 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1990 | 2 |
| 1991 | 1 |
| 1992 | 2 |
| 1993 | 6 |
| 1994 | 6 |
| 1995 | 2 |
| 1996 | 6 |
| 1997 | 8 |
| 1998 | 10 |
| 1999 | 11 |
| 2000 | 14 |
| 2001 | 9 |
| 2002 | 14 |
| 2003 | 10 |
| 2004 | 22 |
| 2005 | 18 |
| 2006 | 22 |
| 2007 | 33 |
| 2008 | 50 |
| 2009 | 45 |
| 2010 | 43 |
| 2011 | 55 |
| 2012 | 51 |
| 2013 | 55 |
| 2014 | 61 |
| 2015 | 73 |
| 2016 | 62 |
| 2017 | 69 |
| 2018 | 66 |
| 2019 | 64 |
| 2020 | 88 |
| 2021 | 123 |
| 2022 | 103 |
| 2023 | 70 |