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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1983 | 5 |
| 1984 | 2 |
| 1985 | 5 |
| 1986 | 7 |
| 1987 | 9 |
| 1988 | 20 |
| 1989 | 19 |
| 1990 | 15 |
| 1991 | 26 |
| 1992 | 38 |
| 1993 | 113 |
| 1994 | 143 |
| 1995 | 188 |
| 1996 | 209 |
| 1997 | 213 |
| 1998 | 167 |
| 1999 | 161 |
| 2000 | 159 |
| 2001 | 153 |
| 2002 | 158 |
| 2003 | 209 |
| 2004 | 249 |
| 2005 | 313 |
| 2006 | 254 |
| 2007 | 259 |
| 2008 | 232 |
| 2009 | 218 |
| 2010 | 233 |
| 2011 | 236 |
| 2012 | 193 |
| 2013 | 207 |
| 2014 | 258 |
| 2015 | 295 |
| 2016 | 186 |
| 2017 | 156 |
| 2018 | 125 |
| 2019 | 102 |
| 2020 | 76 |
| 2021 | 57 |
| 2022 | 8 |
| 2023 | 1 |
| 2024 | 0 |