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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 2 |
| 1965 | 2 |
| 1966 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1975 | 11 |
| 1976 | 9 |
| 1977 | 42 |
| 1978 | 200 |
| 1979 | 251 |
| 1980 | 204 |
| 1981 | 185 |
| 1982 | 136 |
| 1983 | 177 |
| 1984 | 190 |
| 1985 | 222 |
| 1986 | 226 |
| 1987 | 295 |
| 1988 | 338 |
| 1989 | 346 |
| 1990 | 394 |
| 1991 | 441 |
| 1992 | 465 |
| 1993 | 705 |
| 1994 | 969 |
| 1995 | 905 |
| 1996 | 942 |
| 1997 | 955 |
| 1998 | 932 |
| 1999 | 842 |
| 2000 | 758 |
| 2001 | 728 |
| 2002 | 771 |
| 2003 | 740 |
| 2004 | 680 |
| 2005 | 646 |
| 2006 | 685 |
| 2007 | 736 |
| 2008 | 855 |
| 2009 | 1138 |
| 2010 | 1085 |
| 2011 | 1124 |
| 2012 | 1187 |
| 2013 | 1332 |
| 2014 | 1263 |
| 2015 | 1265 |
| 2016 | 1173 |
| 2017 | 1127 |
| 2018 | 986 |
| 2019 | 985 |
| 2020 | 836 |
| 2021 | 425 |
| 2022 | 69 |
| 2023 | 82 |
| 2024 | 253 |