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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 3 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 5 |
| 1975 | 4 |
| 1976 | 2 |
| 1977 | 2 |
| 1978 | 6 |
| 1979 | 1 |
| 1980 | 5 |
| 1981 | 8 |
| 1982 | 17 |
| 1983 | 18 |
| 1984 | 21 |
| 1985 | 33 |
| 1986 | 23 |
| 1987 | 26 |
| 1988 | 27 |
| 1989 | 23 |
| 1990 | 41 |
| 1991 | 51 |
| 1992 | 65 |
| 1993 | 79 |
| 1994 | 77 |
| 1995 | 91 |
| 1996 | 94 |
| 1997 | 103 |
| 1998 | 126 |
| 1999 | 117 |
| 2000 | 146 |
| 2001 | 159 |
| 2002 | 157 |
| 2003 | 171 |
| 2004 | 229 |
| 2005 | 259 |
| 2006 | 285 |
| 2007 | 301 |
| 2008 | 387 |
| 2009 | 446 |
| 2010 | 489 |
| 2011 | 605 |
| 2012 | 616 |
| 2013 | 706 |
| 2014 | 729 |
| 2015 | 804 |
| 2016 | 864 |
| 2017 | 893 |
| 2018 | 996 |
| 2019 | 1080 |
| 2020 | 1349 |
| 2021 | 1454 |
| 2022 | 1452 |
| 2023 | 20 |