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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 3 |
| 1973 | 4 |
| 1974 | 27 |
| 1975 | 89 |
| 1976 | 54 |
| 1977 | 38 |
| 1978 | 75 |
| 1979 | 55 |
| 1980 | 69 |
| 1981 | 49 |
| 1982 | 26 |
| 1983 | 51 |
| 1984 | 32 |
| 1985 | 103 |
| 1986 | 150 |
| 1987 | 183 |
| 1988 | 285 |
| 1989 | 346 |
| 1990 | 569 |
| 1991 | 694 |
| 1992 | 748 |
| 1993 | 756 |
| 1994 | 874 |
| 1995 | 800 |
| 1996 | 949 |
| 1997 | 913 |
| 1998 | 845 |
| 1999 | 861 |
| 2000 | 1156 |
| 2001 | 1345 |
| 2002 | 1533 |
| 2003 | 2056 |
| 2004 | 3313 |
| 2005 | 4130 |
| 2006 | 4183 |
| 2007 | 2471 |
| 2008 | 2050 |
| 2009 | 2139 |
| 2010 | 2438 |
| 2011 | 2309 |
| 2012 | 2206 |
| 2013 | 1627 |
| 2014 | 1495 |
| 2015 | 1482 |
| 2016 | 1430 |
| 2017 | 1551 |
| 2018 | 1513 |
| 2019 | 1411 |
| 2020 | 1350 |
| 2021 | 1183 |
| 2022 | 451 |
| 2023 | 318 |
| 2024 | 587 |
| 2025 | 1 |