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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 7 |
| 1974 | 93 |
| 1975 | 130 |
| 1976 | 157 |
| 1977 | 156 |
| 1978 | 157 |
| 1979 | 157 |
| 1980 | 197 |
| 1981 | 193 |
| 1982 | 174 |
| 1983 | 161 |
| 1984 | 150 |
| 1985 | 144 |
| 1986 | 172 |
| 1987 | 196 |
| 1988 | 213 |
| 1989 | 252 |
| 1990 | 305 |
| 1991 | 275 |
| 1992 | 243 |
| 1993 | 248 |
| 1994 | 321 |
| 1995 | 325 |
| 1996 | 198 |
| 1997 | 257 |
| 1998 | 247 |
| 1999 | 243 |
| 2000 | 264 |
| 2001 | 73 |
| 2002 | 259 |
| 2003 | 245 |
| 2004 | 266 |
| 2005 | 271 |
| 2006 | 252 |
| 2007 | 221 |
| 2008 | 244 |
| 2009 | 209 |
| 2010 | 183 |
| 2011 | 209 |
| 2012 | 215 |
| 2013 | 201 |
| 2014 | 194 |
| 2015 | 191 |
| 2016 | 182 |
| 2017 | 200 |
| 2018 | 170 |
| 2019 | 175 |
| 2020 | 184 |
| 2021 | 169 |
| 2022 | 166 |
| 2023 | 183 |
| 2024 | 71 |