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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1971 | 1 |
| 1977 | 3 |
| 1978 | 12 |
| 1979 | 29 |
| 1980 | 33 |
| 1981 | 45 |
| 1982 | 45 |
| 1983 | 51 |
| 1984 | 79 |
| 1985 | 65 |
| 1986 | 69 |
| 1987 | 70 |
| 1988 | 90 |
| 1989 | 117 |
| 1990 | 103 |
| 1991 | 155 |
| 1992 | 160 |
| 1993 | 163 |
| 1994 | 189 |
| 1995 | 142 |
| 1996 | 165 |
| 1997 | 169 |
| 1998 | 156 |
| 1999 | 151 |
| 2000 | 169 |
| 2001 | 222 |
| 2002 | 219 |
| 2003 | 199 |
| 2004 | 241 |
| 2005 | 236 |
| 2006 | 274 |
| 2007 | 285 |
| 2008 | 266 |
| 2009 | 257 |
| 2010 | 237 |
| 2011 | 223 |
| 2012 | 226 |
| 2013 | 211 |
| 2014 | 209 |
| 2015 | 167 |
| 2016 | 180 |
| 2017 | 183 |
| 2018 | 190 |
| 2019 | 197 |
| 2020 | 181 |
| 2021 | 119 |
| 2022 | 9 |
| 2024 | 0 |