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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1964 | 4 |
| 1973 | 1 |
| 1978 | 1 |
| 1979 | 2 |
| 1980 | 4 |
| 1981 | 7 |
| 1982 | 9 |
| 1983 | 9 |
| 1984 | 6 |
| 1985 | 14 |
| 1986 | 17 |
| 1987 | 33 |
| 1988 | 18 |
| 1989 | 33 |
| 1990 | 28 |
| 1991 | 26 |
| 1992 | 24 |
| 1993 | 46 |
| 1994 | 58 |
| 1995 | 68 |
| 1996 | 56 |
| 1997 | 61 |
| 1998 | 62 |
| 1999 | 62 |
| 2000 | 89 |
| 2001 | 103 |
| 2002 | 124 |
| 2003 | 149 |
| 2004 | 141 |
| 2005 | 172 |
| 2006 | 230 |
| 2007 | 240 |
| 2008 | 279 |
| 2009 | 329 |
| 2010 | 383 |
| 2011 | 469 |
| 2012 | 529 |
| 2013 | 672 |
| 2014 | 777 |
| 2015 | 888 |
| 2016 | 930 |
| 2017 | 1022 |
| 2018 | 1181 |
| 2019 | 1377 |
| 2020 | 1702 |
| 2021 | 1983 |
| 2022 | 2103 |
| 2023 | 30 |