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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 2 |
| 1968 | 2 |
| 1971 | 2 |
| 1974 | 2 |
| 1975 | 5 |
| 1976 | 2 |
| 1977 | 7 |
| 1978 | 10 |
| 1979 | 13 |
| 1980 | 366 |
| 1981 | 726 |
| 1982 | 770 |
| 1983 | 718 |
| 1984 | 737 |
| 1985 | 754 |
| 1986 | 759 |
| 1987 | 736 |
| 1988 | 828 |
| 1989 | 731 |
| 1990 | 786 |
| 1991 | 877 |
| 1992 | 952 |
| 1993 | 893 |
| 1994 | 853 |
| 1995 | 918 |
| 1996 | 945 |
| 1997 | 919 |
| 1998 | 1000 |
| 1999 | 957 |
| 2000 | 1049 |
| 2001 | 1060 |
| 2002 | 1154 |
| 2003 | 1268 |
| 2004 | 1272 |
| 2005 | 1533 |
| 2006 | 1687 |
| 2007 | 1793 |
| 2008 | 1891 |
| 2009 | 1986 |
| 2010 | 2419 |
| 2011 | 2501 |
| 2012 | 2497 |
| 2013 | 2585 |
| 2014 | 2519 |
| 2015 | 2552 |
| 2016 | 2338 |
| 2017 | 2250 |
| 2018 | 2126 |
| 2019 | 1965 |
| 2020 | 2159 |
| 2021 | 2272 |
| 2022 | 2093 |
| 2023 | 1997 |
| 2024 | 1423 |
| 2025 | 6 |