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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1969 | 1 |
| 1975 | 3 |
| 1976 | 1 |
| 1977 | 3 |
| 1978 | 1 |
| 1979 | 2 |
| 1980 | 5 |
| 1981 | 8 |
| 1982 | 9 |
| 1983 | 9 |
| 1984 | 11 |
| 1985 | 17 |
| 1986 | 13 |
| 1987 | 19 |
| 1988 | 23 |
| 1989 | 24 |
| 1990 | 20 |
| 1991 | 21 |
| 1992 | 31 |
| 1993 | 35 |
| 1994 | 27 |
| 1995 | 31 |
| 1996 | 39 |
| 1997 | 41 |
| 1998 | 61 |
| 1999 | 61 |
| 2000 | 65 |
| 2001 | 57 |
| 2002 | 81 |
| 2003 | 73 |
| 2004 | 102 |
| 2005 | 120 |
| 2006 | 154 |
| 2007 | 160 |
| 2008 | 202 |
| 2009 | 227 |
| 2010 | 268 |
| 2011 | 299 |
| 2012 | 342 |
| 2013 | 368 |
| 2014 | 445 |
| 2015 | 515 |
| 2016 | 498 |
| 2017 | 511 |
| 2018 | 660 |
| 2019 | 680 |
| 2020 | 826 |
| 2021 | 899 |
| 2022 | 1001 |
| 2023 | 976 |
| 2024 | 824 |
| 2025 | 1 |