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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1963 | 1 |
| 1971 | 1 |
| 1977 | 2 |
| 1978 | 3 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1983 | 1 |
| 1987 | 1 |
| 1988 | 5 |
| 1990 | 3 |
| 1991 | 9 |
| 1992 | 5 |
| 1993 | 6 |
| 1994 | 6 |
| 1995 | 13 |
| 1996 | 8 |
| 1997 | 3 |
| 1998 | 10 |
| 1999 | 8 |
| 2000 | 3 |
| 2001 | 4 |
| 2002 | 8 |
| 2003 | 8 |
| 2004 | 18 |
| 2005 | 21 |
| 2006 | 31 |
| 2007 | 26 |
| 2008 | 32 |
| 2009 | 39 |
| 2010 | 49 |
| 2011 | 50 |
| 2012 | 61 |
| 2013 | 61 |
| 2014 | 82 |
| 2015 | 111 |
| 2016 | 126 |
| 2017 | 88 |
| 2018 | 154 |
| 2019 | 159 |
| 2020 | 168 |
| 2021 | 228 |
| 2022 | 219 |
| 2023 | 170 |
| 2024 | 68 |