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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1970 | 1 |
| 1971 | 2 |
| 1973 | 1 |
| 1974 | 2 |
| 1976 | 1 |
| 1977 | 1 |
| 1978 | 4 |
| 1979 | 24 |
| 1980 | 346 |
| 1981 | 777 |
| 1982 | 855 |
| 1983 | 746 |
| 1984 | 746 |
| 1985 | 678 |
| 1986 | 797 |
| 1987 | 778 |
| 1988 | 880 |
| 1989 | 1008 |
| 1990 | 1207 |
| 1991 | 1231 |
| 1992 | 1440 |
| 1993 | 1460 |
| 1994 | 1522 |
| 1995 | 1549 |
| 1996 | 1649 |
| 1997 | 1709 |
| 1998 | 1864 |
| 1999 | 1996 |
| 2000 | 2010 |
| 2001 | 2006 |
| 2002 | 2265 |
| 2003 | 2434 |
| 2004 | 2684 |
| 2005 | 3201 |
| 2006 | 3703 |
| 2007 | 4167 |
| 2008 | 4745 |
| 2009 | 4942 |
| 2010 | 5542 |
| 2011 | 6395 |
| 2012 | 6587 |
| 2013 | 6926 |
| 2014 | 7185 |
| 2015 | 7097 |
| 2016 | 6985 |
| 2017 | 6717 |
| 2018 | 6847 |
| 2019 | 7009 |
| 2020 | 7534 |
| 2021 | 8017 |
| 2022 | 7404 |
| 2023 | 7023 |
| 2024 | 4517 |
| 2025 | 3 |