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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 3 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 2 |
| 1975 | 1 |
| 1977 | 2 |
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 2 |
| 1982 | 3 |
| 1983 | 2 |
| 1984 | 2 |
| 1985 | 7 |
| 1986 | 5 |
| 1987 | 5 |
| 1988 | 8 |
| 1989 | 14 |
| 1990 | 14 |
| 1991 | 11 |
| 1992 | 25 |
| 1993 | 18 |
| 1994 | 18 |
| 1995 | 20 |
| 1996 | 30 |
| 1997 | 20 |
| 1998 | 24 |
| 1999 | 30 |
| 2000 | 42 |
| 2001 | 45 |
| 2002 | 63 |
| 2003 | 74 |
| 2004 | 93 |
| 2005 | 104 |
| 2006 | 118 |
| 2007 | 136 |
| 2008 | 169 |
| 2009 | 202 |
| 2010 | 223 |
| 2011 | 267 |
| 2012 | 381 |
| 2013 | 415 |
| 2014 | 465 |
| 2015 | 558 |
| 2016 | 646 |
| 2017 | 680 |
| 2018 | 697 |
| 2019 | 811 |
| 2020 | 923 |
| 2021 | 1084 |
| 2022 | 1224 |
| 2023 | 128 |