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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1965 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 3 |
| 1979 | 1 |
| 1984 | 1 |
| 1986 | 1 |
| 1988 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 3 |
| 1995 | 3 |
| 1997 | 3 |
| 1998 | 3 |
| 1999 | 8 |
| 2000 | 8 |
| 2001 | 3 |
| 2002 | 8 |
| 2003 | 19 |
| 2004 | 23 |
| 2005 | 17 |
| 2006 | 22 |
| 2007 | 18 |
| 2008 | 25 |
| 2009 | 30 |
| 2010 | 35 |
| 2011 | 57 |
| 2012 | 58 |
| 2013 | 51 |
| 2014 | 71 |
| 2015 | 78 |
| 2016 | 88 |
| 2017 | 112 |
| 2018 | 114 |
| 2019 | 123 |
| 2020 | 152 |
| 2021 | 175 |
| 2022 | 202 |
| 2023 | 27 |