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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1980 | 4 |
| 1981 | 4 |
| 1982 | 4 |
| 1983 | 6 |
| 1984 | 4 |
| 1985 | 6 |
| 1986 | 6 |
| 1987 | 2 |
| 1988 | 11 |
| 1989 | 8 |
| 1990 | 7 |
| 1991 | 9 |
| 1992 | 8 |
| 1993 | 14 |
| 1994 | 11 |
| 1995 | 13 |
| 1996 | 13 |
| 1997 | 29 |
| 1998 | 21 |
| 1999 | 32 |
| 2000 | 35 |
| 2001 | 25 |
| 2002 | 41 |
| 2003 | 73 |
| 2004 | 81 |
| 2005 | 72 |
| 2006 | 85 |
| 2007 | 107 |
| 2008 | 108 |
| 2009 | 146 |
| 2010 | 154 |
| 2011 | 208 |
| 2012 | 222 |
| 2013 | 294 |
| 2014 | 352 |
| 2015 | 392 |
| 2016 | 424 |
| 2017 | 457 |
| 2018 | 494 |
| 2019 | 568 |
| 2020 | 727 |
| 2021 | 830 |
| 2022 | 918 |
| 2023 | 423 |