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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 8 |
| 1967 | 7 |
| 1968 | 4 |
| 1969 | 1 |
| 1970 | 9 |
| 1971 | 2 |
| 1972 | 3 |
| 1974 | 1 |
| 1975 | 1 |
| 1977 | 3 |
| 1978 | 4 |
| 1979 | 10 |
| 1980 | 92 |
| 1981 | 228 |
| 1982 | 203 |
| 1983 | 169 |
| 1984 | 210 |
| 1985 | 199 |
| 1986 | 201 |
| 1987 | 198 |
| 1988 | 173 |
| 1989 | 197 |
| 1990 | 166 |
| 1991 | 195 |
| 1992 | 152 |
| 1993 | 213 |
| 1994 | 230 |
| 1995 | 143 |
| 1996 | 199 |
| 1997 | 149 |
| 1998 | 172 |
| 1999 | 170 |
| 2000 | 155 |
| 2001 | 272 |
| 2002 | 674 |
| 2003 | 785 |
| 2004 | 934 |
| 2005 | 1042 |
| 2006 | 652 |
| 2007 | 663 |
| 2008 | 965 |
| 2009 | 1141 |
| 2010 | 1290 |
| 2011 | 1613 |
| 2012 | 2259 |
| 2013 | 2973 |
| 2014 | 3515 |
| 2015 | 3846 |
| 2016 | 3460 |
| 2017 | 3155 |
| 2018 | 3358 |
| 2019 | 3185 |
| 2020 | 3146 |
| 2021 | 3492 |
| 2022 | 3201 |
| 2023 | 2762 |
| 2024 | 947 |