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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1853 | 1 |
| 1950 | 1 |
| 1978 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1985 | 2 |
| 1986 | 3 |
| 1987 | 2 |
| 1988 | 1 |
| 1989 | 4 |
| 1990 | 3 |
| 1991 | 1 |
| 1994 | 6 |
| 1995 | 7 |
| 1996 | 17 |
| 1997 | 22 |
| 1998 | 25 |
| 1999 | 35 |
| 2000 | 49 |
| 2001 | 65 |
| 2002 | 75 |
| 2003 | 90 |
| 2004 | 92 |
| 2005 | 99 |
| 2006 | 127 |
| 2007 | 119 |
| 2008 | 143 |
| 2009 | 159 |
| 2010 | 144 |
| 2011 | 133 |
| 2012 | 153 |
| 2013 | 180 |
| 2014 | 233 |
| 2015 | 280 |
| 2016 | 261 |
| 2017 | 244 |
| 2018 | 246 |
| 2019 | 244 |
| 2020 | 228 |
| 2021 | 270 |
| 2022 | 232 |
| 2023 | 25 |