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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1967 | 4 |
| 1968 | 2 |
| 1970 | 1 |
| 1971 | 5 |
| 1972 | 22 |
| 1973 | 80 |
| 1974 | 95 |
| 1975 | 110 |
| 1976 | 123 |
| 1977 | 114 |
| 1978 | 102 |
| 1979 | 105 |
| 1980 | 108 |
| 1981 | 96 |
| 1982 | 114 |
| 1983 | 95 |
| 1984 | 160 |
| 1985 | 149 |
| 1986 | 177 |
| 1987 | 145 |
| 1988 | 181 |
| 1989 | 216 |
| 1990 | 218 |
| 1991 | 205 |
| 1992 | 180 |
| 1993 | 176 |
| 1994 | 233 |
| 1995 | 208 |
| 1996 | 190 |
| 1997 | 189 |
| 1998 | 175 |
| 1999 | 186 |
| 2000 | 188 |
| 2001 | 201 |
| 2002 | 203 |
| 2003 | 184 |
| 2004 | 215 |
| 2005 | 209 |
| 2006 | 214 |
| 2007 | 237 |
| 2008 | 231 |
| 2009 | 203 |
| 2010 | 229 |
| 2011 | 232 |
| 2012 | 245 |
| 2013 | 243 |
| 2014 | 244 |
| 2015 | 254 |
| 2016 | 209 |
| 2017 | 201 |
| 2018 | 204 |
| 2019 | 209 |
| 2020 | 192 |
| 2021 | 177 |
| 2022 | 83 |
| 2023 | 67 |
| 2024 | 29 |