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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 3 |
| 1971 | 3 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 12 |
| 1976 | 69 |
| 1977 | 254 |
| 1978 | 231 |
| 1979 | 258 |
| 1980 | 225 |
| 1981 | 247 |
| 1982 | 240 |
| 1983 | 233 |
| 1984 | 245 |
| 1985 | 243 |
| 1986 | 237 |
| 1987 | 230 |
| 1988 | 240 |
| 1989 | 244 |
| 1990 | 234 |
| 1991 | 210 |
| 1992 | 193 |
| 1993 | 163 |
| 1994 | 153 |
| 1995 | 158 |
| 1996 | 148 |
| 1997 | 134 |
| 1998 | 127 |
| 1999 | 128 |
| 2000 | 133 |
| 2001 | 143 |
| 2002 | 160 |
| 2003 | 160 |
| 2004 | 164 |
| 2005 | 196 |
| 2006 | 182 |
| 2007 | 204 |
| 2008 | 162 |
| 2009 | 199 |
| 2010 | 229 |
| 2011 | 248 |
| 2012 | 280 |
| 2013 | 292 |
| 2014 | 308 |
| 2015 | 305 |
| 2016 | 265 |
| 2017 | 280 |
| 2018 | 254 |
| 2019 | 218 |
| 2020 | 194 |
| 2021 | 156 |
| 2022 | 117 |
| 2023 | 90 |
| 2024 | 25 |