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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 3 |
| 1968 | 1 |
| 1971 | 1 |
| 1972 | 7 |
| 1973 | 2 |
| 1974 | 2 |
| 1975 | 1 |
| 1976 | 3 |
| 1977 | 4 |
| 1979 | 4 |
| 1980 | 1 |
| 1981 | 1 |
| 1982 | 13 |
| 1983 | 491 |
| 1984 | 1571 |
| 1985 | 1813 |
| 1986 | 1822 |
| 1987 | 1818 |
| 1988 | 2001 |
| 1989 | 2234 |
| 1990 | 2410 |
| 1991 | 2264 |
| 1992 | 2312 |
| 1993 | 2459 |
| 1994 | 2394 |
| 1995 | 2531 |
| 1996 | 2549 |
| 1997 | 2511 |
| 1998 | 2595 |
| 1999 | 2679 |
| 2000 | 2876 |
| 2001 | 2864 |
| 2002 | 3085 |
| 2003 | 3431 |
| 2004 | 3644 |
| 2005 | 3940 |
| 2006 | 4218 |
| 2007 | 4167 |
| 2008 | 4442 |
| 2009 | 4623 |
| 2010 | 5414 |
| 2011 | 5606 |
| 2012 | 5709 |
| 2013 | 5722 |
| 2014 | 6152 |
| 2015 | 6220 |
| 2016 | 5717 |
| 2017 | 5303 |
| 2018 | 5532 |
| 2019 | 5854 |
| 2020 | 6002 |
| 2021 | 5588 |
| 2022 | 4566 |
| 2023 | 4488 |
| 2024 | 6277 |
| 2025 | 6491 |
| 2026 | 2235 |