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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1971 | 5 |
| 1972 | 2 |
| 1973 | 1 |
| 1977 | 1 |
| 1978 | 2 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 2 |
| 1984 | 3 |
| 1985 | 2 |
| 1986 | 3 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1992 | 2 |
| 1993 | 2 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 3 |
| 1998 | 3 |
| 1999 | 8 |
| 2000 | 10 |
| 2001 | 6 |
| 2002 | 14 |
| 2003 | 13 |
| 2004 | 13 |
| 2005 | 29 |
| 2006 | 36 |
| 2007 | 44 |
| 2008 | 53 |
| 2009 | 74 |
| 2010 | 81 |
| 2011 | 98 |
| 2012 | 130 |
| 2013 | 154 |
| 2014 | 184 |
| 2015 | 182 |
| 2016 | 159 |
| 2017 | 148 |
| 2018 | 156 |
| 2019 | 185 |
| 2020 | 214 |
| 2021 | 252 |
| 2022 | 234 |
| 2023 | 211 |
| 2024 | 1 |