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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1976 | 1 |
| 1978 | 1 |
| 1979 | 4 |
| 1980 | 10 |
| 1981 | 20 |
| 1982 | 23 |
| 1983 | 37 |
| 1984 | 53 |
| 1985 | 50 |
| 1986 | 69 |
| 1987 | 51 |
| 1988 | 54 |
| 1989 | 72 |
| 1990 | 51 |
| 1991 | 69 |
| 1992 | 55 |
| 1993 | 46 |
| 1994 | 37 |
| 1995 | 82 |
| 1996 | 83 |
| 1997 | 122 |
| 1998 | 108 |
| 1999 | 143 |
| 2000 | 155 |
| 2001 | 110 |
| 2002 | 140 |
| 2003 | 159 |
| 2004 | 178 |
| 2005 | 172 |
| 2006 | 223 |
| 2007 | 233 |
| 2008 | 246 |
| 2009 | 229 |
| 2010 | 192 |
| 2011 | 240 |
| 2012 | 267 |
| 2013 | 300 |
| 2014 | 316 |
| 2015 | 263 |
| 2016 | 225 |
| 2017 | 241 |
| 2018 | 252 |
| 2019 | 208 |
| 2020 | 183 |
| 2021 | 149 |
| 2022 | 21 |
| 2023 | 15 |
| 2024 | 18 |