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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 3 |
| 1967 | 2 |
| 1968 | 2 |
| 1969 | 3 |
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 3 |
| 1976 | 2 |
| 1977 | 3 |
| 1978 | 1 |
| 1979 | 2 |
| 1980 | 1 |
| 1983 | 3 |
| 1984 | 9 |
| 1985 | 8 |
| 1986 | 15 |
| 1987 | 11 |
| 1988 | 11 |
| 1989 | 18 |
| 1990 | 31 |
| 1991 | 43 |
| 1992 | 56 |
| 1993 | 73 |
| 1994 | 69 |
| 1995 | 74 |
| 1996 | 90 |
| 1997 | 79 |
| 1998 | 106 |
| 1999 | 108 |
| 2000 | 101 |
| 2001 | 101 |
| 2002 | 114 |
| 2003 | 116 |
| 2004 | 131 |
| 2005 | 158 |
| 2006 | 154 |
| 2007 | 224 |
| 2008 | 217 |
| 2009 | 241 |
| 2010 | 292 |
| 2011 | 340 |
| 2012 | 291 |
| 2013 | 254 |
| 2014 | 250 |
| 2015 | 247 |
| 2016 | 218 |
| 2017 | 256 |
| 2018 | 244 |
| 2019 | 219 |
| 2020 | 170 |
| 2021 | 102 |
| 2022 | 15 |
| 2023 | 7 |
| 2024 | 63 |