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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 2 |
| 1970 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 4 |
| 1976 | 1 |
| 1977 | 2 |
| 1978 | 3 |
| 1979 | 4 |
| 1980 | 6 |
| 1981 | 7 |
| 1982 | 7 |
| 1983 | 9 |
| 1984 | 10 |
| 1985 | 9 |
| 1986 | 8 |
| 1987 | 8 |
| 1988 | 17 |
| 1989 | 24 |
| 1990 | 12 |
| 1991 | 23 |
| 1992 | 22 |
| 1993 | 19 |
| 1994 | 34 |
| 1995 | 22 |
| 1996 | 42 |
| 1997 | 40 |
| 1998 | 48 |
| 1999 | 64 |
| 2000 | 86 |
| 2001 | 103 |
| 2002 | 125 |
| 2003 | 146 |
| 2004 | 205 |
| 2005 | 285 |
| 2006 | 331 |
| 2007 | 323 |
| 2008 | 367 |
| 2009 | 448 |
| 2010 | 549 |
| 2011 | 676 |
| 2012 | 706 |
| 2013 | 813 |
| 2014 | 815 |
| 2015 | 851 |
| 2016 | 949 |
| 2017 | 948 |
| 2018 | 985 |
| 2019 | 1051 |
| 2020 | 1146 |
| 2021 | 1148 |
| 2022 | 1047 |
| 2023 | 288 |