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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 14 |
| 1971 | 57 |
| 1972 | 36 |
| 1973 | 60 |
| 1975 | 4 |
| 1976 | 71 |
| 1977 | 88 |
| 1978 | 95 |
| 1979 | 201 |
| 1980 | 243 |
| 1981 | 465 |
| 1982 | 477 |
| 1983 | 610 |
| 1984 | 633 |
| 1985 | 704 |
| 1986 | 703 |
| 1987 | 877 |
| 1988 | 956 |
| 1989 | 971 |
| 1990 | 994 |
| 1991 | 901 |
| 1992 | 1057 |
| 1993 | 1179 |
| 1994 | 1328 |
| 1995 | 1401 |
| 1996 | 1480 |
| 1997 | 1601 |
| 1998 | 1764 |
| 1999 | 2257 |
| 2000 | 2037 |
| 2001 | 2101 |
| 2002 | 2219 |
| 2003 | 2462 |
| 2004 | 2366 |
| 2005 | 2709 |
| 2006 | 3052 |
| 2007 | 3024 |
| 2008 | 3082 |
| 2009 | 3345 |
| 2010 | 3479 |
| 2011 | 3561 |
| 2012 | 3322 |
| 2013 | 3696 |
| 2014 | 3379 |
| 2015 | 3284 |
| 2016 | 2795 |
| 2017 | 2714 |
| 2018 | 2382 |
| 2019 | 2284 |
| 2020 | 2394 |
| 2021 | 2128 |
| 2022 | 1967 |
| 2023 | 1754 |
| 2024 | 2056 |
| 2025 | 1375 |