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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 3 |
| 1976 | 4 |
| 1977 | 16 |
| 1978 | 23 |
| 1979 | 19 |
| 1980 | 18 |
| 1981 | 29 |
| 1982 | 25 |
| 1983 | 36 |
| 1984 | 18 |
| 1985 | 22 |
| 1986 | 35 |
| 1987 | 19 |
| 1988 | 29 |
| 1989 | 32 |
| 1990 | 30 |
| 1991 | 51 |
| 1992 | 42 |
| 1993 | 58 |
| 1994 | 125 |
| 1995 | 125 |
| 1996 | 134 |
| 1997 | 117 |
| 1998 | 126 |
| 1999 | 144 |
| 2000 | 151 |
| 2001 | 160 |
| 2002 | 146 |
| 2003 | 206 |
| 2004 | 205 |
| 2005 | 251 |
| 2006 | 265 |
| 2007 | 298 |
| 2008 | 289 |
| 2009 | 314 |
| 2010 | 321 |
| 2011 | 362 |
| 2012 | 336 |
| 2013 | 331 |
| 2014 | 350 |
| 2015 | 385 |
| 2016 | 300 |
| 2017 | 247 |
| 2018 | 278 |
| 2019 | 292 |
| 2020 | 267 |
| 2021 | 176 |
| 2022 | 55 |
| 2023 | 21 |
| 2024 | 162 |