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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 2 |
| 1967 | 5 |
| 1968 | 2 |
| 1969 | 3 |
| 1970 | 2 |
| 1971 | 6 |
| 1972 | 7 |
| 1973 | 8 |
| 1974 | 14 |
| 1975 | 14 |
| 1976 | 18 |
| 1977 | 14 |
| 1978 | 22 |
| 1979 | 40 |
| 1980 | 38 |
| 1981 | 39 |
| 1982 | 39 |
| 1983 | 23 |
| 1984 | 28 |
| 1985 | 31 |
| 1986 | 44 |
| 1987 | 145 |
| 1988 | 371 |
| 1989 | 677 |
| 1990 | 843 |
| 1991 | 924 |
| 1992 | 1093 |
| 1993 | 1405 |
| 1994 | 1694 |
| 1995 | 1802 |
| 1996 | 2009 |
| 1997 | 2394 |
| 1998 | 2678 |
| 1999 | 2874 |
| 2000 | 3244 |
| 2001 | 3085 |
| 2002 | 3523 |
| 2003 | 4278 |
| 2004 | 4844 |
| 2005 | 5887 |
| 2006 | 6065 |
| 2007 | 6751 |
| 2008 | 7394 |
| 2009 | 8296 |
| 2010 | 9720 |
| 2011 | 10626 |
| 2012 | 12334 |
| 2013 | 13011 |
| 2014 | 13984 |
| 2015 | 14653 |
| 2016 | 14336 |
| 2017 | 14610 |
| 2018 | 14321 |
| 2019 | 14170 |
| 2020 | 12931 |
| 2021 | 9361 |
| 2022 | 1413 |
| 2023 | 839 |
| 2024 | 14070 |
| 2025 | 11643 |
| 2026 | 1 |