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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 1 |
| 1960 | 1 |
| 1964 | 1 |
| 1972 | 1 |
| 1975 | 1 |
| 1979 | 17 |
| 1980 | 23 |
| 1981 | 38 |
| 1982 | 42 |
| 1983 | 55 |
| 1984 | 42 |
| 1985 | 64 |
| 1986 | 74 |
| 1987 | 82 |
| 1988 | 137 |
| 1989 | 108 |
| 1990 | 120 |
| 1991 | 154 |
| 1992 | 185 |
| 1993 | 244 |
| 1994 | 257 |
| 1995 | 283 |
| 1996 | 336 |
| 1997 | 356 |
| 1998 | 345 |
| 1999 | 428 |
| 2000 | 500 |
| 2001 | 654 |
| 2002 | 677 |
| 2003 | 838 |
| 2004 | 1008 |
| 2005 | 1177 |
| 2006 | 1474 |
| 2007 | 1657 |
| 2008 | 1991 |
| 2009 | 2238 |
| 2010 | 2718 |
| 2011 | 3373 |
| 2012 | 3860 |
| 2013 | 4625 |
| 2014 | 5364 |
| 2015 | 6062 |
| 2016 | 6410 |
| 2017 | 7006 |
| 2018 | 8412 |
| 2019 | 9810 |
| 2020 | 11896 |
| 2021 | 13956 |
| 2022 | 16780 |
| 2023 | 1995 |