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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1968 | 1 |
| 1974 | 7 |
| 1975 | 2 |
| 1976 | 38 |
| 1977 | 42 |
| 1978 | 40 |
| 1979 | 47 |
| 1980 | 45 |
| 1981 | 78 |
| 1982 | 69 |
| 1983 | 68 |
| 1984 | 76 |
| 1985 | 97 |
| 1986 | 93 |
| 1987 | 76 |
| 1988 | 100 |
| 1989 | 100 |
| 1990 | 125 |
| 1991 | 147 |
| 1992 | 177 |
| 1993 | 159 |
| 1994 | 232 |
| 1995 | 455 |
| 1996 | 906 |
| 1997 | 892 |
| 1998 | 922 |
| 1999 | 939 |
| 2000 | 1119 |
| 2001 | 1195 |
| 2002 | 1174 |
| 2003 | 1176 |
| 2004 | 1235 |
| 2005 | 1438 |
| 2006 | 1444 |
| 2007 | 1436 |
| 2008 | 1415 |
| 2009 | 1609 |
| 2010 | 1739 |
| 2011 | 1726 |
| 2012 | 2041 |
| 2013 | 2011 |
| 2014 | 1914 |
| 2015 | 2012 |
| 2016 | 2001 |
| 2017 | 1951 |
| 2018 | 1989 |
| 2019 | 1923 |
| 2020 | 1745 |
| 2021 | 1444 |
| 2022 | 333 |
| 2023 | 108 |
| 2024 | 29 |