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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 1 |
| 1977 | 1 |
| 1978 | 20 |
| 1979 | 28 |
| 1980 | 27 |
| 1981 | 28 |
| 1982 | 27 |
| 1983 | 24 |
| 1984 | 21 |
| 1985 | 49 |
| 1986 | 34 |
| 1987 | 38 |
| 1988 | 65 |
| 1989 | 99 |
| 1990 | 131 |
| 1991 | 182 |
| 1992 | 186 |
| 1993 | 220 |
| 1994 | 205 |
| 1995 | 211 |
| 1996 | 236 |
| 1997 | 227 |
| 1998 | 192 |
| 1999 | 207 |
| 2000 | 176 |
| 2001 | 201 |
| 2002 | 218 |
| 2003 | 181 |
| 2004 | 228 |
| 2005 | 207 |
| 2006 | 234 |
| 2007 | 234 |
| 2008 | 251 |
| 2009 | 236 |
| 2010 | 256 |
| 2011 | 253 |
| 2012 | 274 |
| 2013 | 269 |
| 2014 | 280 |
| 2015 | 266 |
| 2016 | 246 |
| 2017 | 229 |
| 2018 | 222 |
| 2019 | 223 |
| 2020 | 175 |
| 2021 | 191 |
| 2022 | 160 |
| 2023 | 45 |