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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 31 |
| 1972 | 34 |
| 1973 | 49 |
| 1974 | 63 |
| 1975 | 44 |
| 1976 | 79 |
| 1977 | 60 |
| 1978 | 79 |
| 1979 | 67 |
| 1980 | 75 |
| 1981 | 80 |
| 1982 | 53 |
| 1983 | 67 |
| 1984 | 79 |
| 1985 | 166 |
| 1986 | 174 |
| 1987 | 258 |
| 1988 | 337 |
| 1989 | 154 |
| 1990 | 215 |
| 1991 | 168 |
| 1992 | 183 |
| 1993 | 243 |
| 1994 | 151 |
| 1995 | 280 |
| 1996 | 182 |
| 1997 | 172 |
| 1998 | 158 |
| 1999 | 214 |
| 2000 | 167 |
| 2001 | 151 |
| 2002 | 164 |
| 2003 | 175 |
| 2004 | 179 |
| 2005 | 171 |
| 2006 | 189 |
| 2007 | 191 |
| 2008 | 171 |
| 2009 | 169 |
| 2010 | 152 |
| 2011 | 145 |
| 2012 | 162 |
| 2013 | 152 |
| 2014 | 167 |
| 2015 | 186 |
| 2016 | 167 |
| 2017 | 177 |
| 2018 | 184 |
| 2019 | 207 |
| 2020 | 200 |
| 2021 | 225 |
| 2022 | 177 |
| 2023 | 157 |
| 2024 | 53 |