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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 1 |
| 1965 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 11 |
| 1982 | 61 |
| 1983 | 65 |
| 1984 | 51 |
| 1985 | 89 |
| 1986 | 98 |
| 1987 | 112 |
| 1988 | 138 |
| 1989 | 166 |
| 1990 | 214 |
| 1991 | 156 |
| 1992 | 187 |
| 1993 | 285 |
| 1994 | 401 |
| 1995 | 451 |
| 1996 | 555 |
| 1997 | 480 |
| 1998 | 559 |
| 1999 | 579 |
| 2000 | 664 |
| 2001 | 727 |
| 2002 | 806 |
| 2003 | 849 |
| 2004 | 901 |
| 2005 | 1062 |
| 2006 | 1191 |
| 2007 | 1192 |
| 2008 | 1280 |
| 2009 | 1199 |
| 2010 | 1307 |
| 2011 | 1370 |
| 2012 | 1356 |
| 2013 | 1486 |
| 2014 | 1468 |
| 2015 | 1520 |
| 2016 | 1501 |
| 2017 | 1527 |
| 2018 | 1398 |
| 2019 | 1328 |
| 2020 | 1123 |
| 2021 | 1015 |
| 2022 | 324 |
| 2023 | 235 |
| 2024 | 121 |