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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 1 |
| 1975 | 5 |
| 1976 | 5 |
| 1977 | 10 |
| 1978 | 6 |
| 1979 | 15 |
| 1980 | 38 |
| 1981 | 47 |
| 1982 | 75 |
| 1983 | 82 |
| 1984 | 108 |
| 1985 | 89 |
| 1986 | 120 |
| 1987 | 144 |
| 1988 | 147 |
| 1989 | 171 |
| 1990 | 240 |
| 1991 | 264 |
| 1992 | 251 |
| 1993 | 292 |
| 1994 | 231 |
| 1995 | 239 |
| 1996 | 239 |
| 1997 | 264 |
| 1998 | 256 |
| 1999 | 275 |
| 2000 | 254 |
| 2001 | 290 |
| 2002 | 258 |
| 2003 | 306 |
| 2004 | 300 |
| 2005 | 314 |
| 2006 | 299 |
| 2007 | 315 |
| 2008 | 343 |
| 2009 | 310 |
| 2010 | 310 |
| 2011 | 305 |
| 2012 | 305 |
| 2013 | 301 |
| 2014 | 322 |
| 2015 | 275 |
| 2016 | 279 |
| 2017 | 261 |
| 2018 | 242 |
| 2019 | 189 |
| 2020 | 191 |
| 2021 | 182 |
| 2022 | 186 |
| 2023 | 154 |
| 2024 | 41 |