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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 1 |
| 1973 | 2 |
| 1976 | 1 |
| 1977 | 1 |
| 1978 | 5 |
| 1979 | 4 |
| 1980 | 1 |
| 1981 | 2 |
| 1982 | 3 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 9 |
| 1986 | 3 |
| 1987 | 4 |
| 1988 | 5 |
| 1989 | 8 |
| 1990 | 9 |
| 1991 | 9 |
| 1992 | 17 |
| 1993 | 21 |
| 1994 | 28 |
| 1995 | 35 |
| 1996 | 22 |
| 1997 | 22 |
| 1998 | 34 |
| 1999 | 45 |
| 2000 | 60 |
| 2001 | 91 |
| 2002 | 79 |
| 2003 | 105 |
| 2004 | 116 |
| 2005 | 154 |
| 2006 | 163 |
| 2007 | 209 |
| 2008 | 243 |
| 2009 | 257 |
| 2010 | 300 |
| 2011 | 384 |
| 2012 | 398 |
| 2013 | 470 |
| 2014 | 538 |
| 2015 | 568 |
| 2016 | 615 |
| 2017 | 561 |
| 2018 | 550 |
| 2019 | 555 |
| 2020 | 630 |
| 2021 | 674 |
| 2022 | 700 |
| 2023 | 630 |
| 2024 | 680 |
| 2025 | 555 |