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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1979 | 2 |
| 1981 | 4 |
| 1982 | 3 |
| 1983 | 1 |
| 1984 | 4 |
| 1985 | 4 |
| 1986 | 16 |
| 1987 | 8 |
| 1988 | 13 |
| 1989 | 13 |
| 1990 | 18 |
| 1991 | 18 |
| 1992 | 25 |
| 1993 | 35 |
| 1994 | 30 |
| 1995 | 39 |
| 1996 | 38 |
| 1997 | 50 |
| 1998 | 63 |
| 1999 | 69 |
| 2000 | 79 |
| 2001 | 87 |
| 2002 | 158 |
| 2003 | 168 |
| 2004 | 237 |
| 2005 | 324 |
| 2006 | 368 |
| 2007 | 406 |
| 2008 | 467 |
| 2009 | 618 |
| 2010 | 713 |
| 2011 | 898 |
| 2012 | 1094 |
| 2013 | 1186 |
| 2014 | 1392 |
| 2015 | 1666 |
| 2016 | 1838 |
| 2017 | 2021 |
| 2018 | 2212 |
| 2019 | 2575 |
| 2020 | 3087 |
| 2021 | 3609 |
| 2022 | 4187 |
| 2023 | 4160 |
| 2024 | 2129 |
| 2025 | 1 |