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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 54 |
| 1972 | 65 |
| 1973 | 85 |
| 1974 | 123 |
| 1975 | 114 |
| 1976 | 148 |
| 1977 | 122 |
| 1978 | 124 |
| 1979 | 148 |
| 1980 | 147 |
| 1981 | 150 |
| 1982 | 127 |
| 1983 | 139 |
| 1984 | 174 |
| 1985 | 177 |
| 1986 | 186 |
| 1987 | 156 |
| 1988 | 147 |
| 1989 | 147 |
| 1990 | 151 |
| 1991 | 136 |
| 1992 | 149 |
| 1993 | 156 |
| 1994 | 157 |
| 1995 | 152 |
| 1996 | 199 |
| 1997 | 179 |
| 1998 | 203 |
| 1999 | 174 |
| 2000 | 158 |
| 2001 | 161 |
| 2002 | 161 |
| 2003 | 160 |
| 2004 | 160 |
| 2005 | 159 |
| 2006 | 163 |
| 2007 | 219 |
| 2008 | 186 |
| 2009 | 232 |
| 2010 | 246 |
| 2011 | 316 |
| 2012 | 330 |
| 2013 | 387 |
| 2014 | 380 |
| 2015 | 304 |
| 2016 | 293 |
| 2017 | 305 |
| 2018 | 316 |
| 2019 | 230 |
| 2020 | 252 |
| 2021 | 242 |
| 2022 | 211 |
| 2023 | 240 |
| 2024 | 109 |