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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1967 | 2 |
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 1 |
| 1975 | 19 |
| 1976 | 21 |
| 1977 | 64 |
| 1978 | 209 |
| 1979 | 293 |
| 1980 | 285 |
| 1981 | 276 |
| 1982 | 410 |
| 1983 | 524 |
| 1984 | 443 |
| 1985 | 419 |
| 1986 | 441 |
| 1987 | 563 |
| 1988 | 613 |
| 1989 | 830 |
| 1990 | 794 |
| 1991 | 1021 |
| 1992 | 828 |
| 1993 | 734 |
| 1994 | 657 |
| 1995 | 1158 |
| 1996 | 880 |
| 1997 | 1188 |
| 1998 | 1343 |
| 1999 | 1222 |
| 2000 | 991 |
| 2001 | 957 |
| 2002 | 878 |
| 2003 | 997 |
| 2004 | 941 |
| 2005 | 998 |
| 2006 | 807 |
| 2007 | 858 |
| 2008 | 808 |
| 2009 | 745 |
| 2010 | 926 |
| 2011 | 977 |
| 2012 | 1045 |
| 2013 | 1113 |
| 2014 | 1056 |
| 2015 | 1062 |
| 2016 | 908 |
| 2017 | 1014 |
| 2018 | 1022 |
| 2019 | 903 |
| 2020 | 711 |
| 2021 | 380 |
| 2022 | 88 |
| 2023 | 94 |
| 2024 | 543 |
| 2025 | 423 |