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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 5 |
| 1967 | 14 |
| 1968 | 9 |
| 1969 | 33 |
| 1970 | 38 |
| 1971 | 39 |
| 1972 | 37 |
| 1973 | 35 |
| 1974 | 50 |
| 1975 | 53 |
| 1976 | 41 |
| 1977 | 38 |
| 1978 | 23 |
| 1979 | 31 |
| 1980 | 22 |
| 1981 | 28 |
| 1982 | 18 |
| 1983 | 22 |
| 1984 | 21 |
| 1985 | 20 |
| 1986 | 17 |
| 1987 | 41 |
| 1988 | 30 |
| 1989 | 40 |
| 1990 | 29 |
| 1991 | 39 |
| 1992 | 34 |
| 1993 | 34 |
| 1994 | 26 |
| 1995 | 39 |
| 1996 | 46 |
| 1997 | 64 |
| 1998 | 80 |
| 1999 | 73 |
| 2000 | 123 |
| 2001 | 165 |
| 2002 | 146 |
| 2003 | 119 |
| 2004 | 129 |
| 2005 | 183 |
| 2006 | 163 |
| 2007 | 167 |
| 2008 | 162 |
| 2009 | 150 |
| 2010 | 158 |
| 2011 | 200 |
| 2012 | 206 |
| 2013 | 182 |
| 2014 | 225 |
| 2015 | 179 |
| 2016 | 184 |
| 2017 | 161 |
| 2018 | 177 |
| 2019 | 153 |
| 2020 | 183 |
| 2021 | 156 |
| 2022 | 133 |
| 2023 | 126 |
| 2024 | 46 |