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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 2 |
| 1970 | 1 |
| 1975 | 5 |
| 1976 | 23 |
| 1977 | 95 |
| 1978 | 153 |
| 1979 | 186 |
| 1980 | 214 |
| 1981 | 243 |
| 1982 | 298 |
| 1983 | 283 |
| 1984 | 279 |
| 1985 | 245 |
| 1986 | 279 |
| 1987 | 276 |
| 1988 | 255 |
| 1989 | 314 |
| 1990 | 291 |
| 1991 | 401 |
| 1992 | 410 |
| 1993 | 437 |
| 1994 | 641 |
| 1995 | 652 |
| 1996 | 702 |
| 1997 | 757 |
| 1998 | 830 |
| 1999 | 873 |
| 2000 | 956 |
| 2001 | 1012 |
| 2002 | 1444 |
| 2003 | 2149 |
| 2004 | 3086 |
| 2005 | 4387 |
| 2006 | 5207 |
| 2007 | 5754 |
| 2008 | 6347 |
| 2009 | 6459 |
| 2010 | 6320 |
| 2011 | 6367 |
| 2012 | 7270 |
| 2013 | 7756 |
| 2014 | 7666 |
| 2015 | 7052 |
| 2016 | 6512 |
| 2017 | 6294 |
| 2018 | 6465 |
| 2019 | 6065 |
| 2020 | 5053 |
| 2021 | 3174 |
| 2022 | 1866 |
| 2023 | 1807 |
| 2024 | 6159 |
| 2025 | 5414 |