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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 6 |
| 1971 | 104 |
| 1972 | 82 |
| 1973 | 111 |
| 1974 | 128 |
| 1975 | 118 |
| 1976 | 119 |
| 1977 | 151 |
| 1978 | 149 |
| 1979 | 153 |
| 1980 | 132 |
| 1981 | 177 |
| 1982 | 184 |
| 1983 | 221 |
| 1984 | 204 |
| 1985 | 151 |
| 1986 | 189 |
| 1987 | 213 |
| 1988 | 273 |
| 1989 | 280 |
| 1990 | 218 |
| 1991 | 298 |
| 1992 | 292 |
| 1993 | 248 |
| 1994 | 273 |
| 1995 | 303 |
| 1996 | 347 |
| 1997 | 321 |
| 1998 | 301 |
| 1999 | 357 |
| 2000 | 346 |
| 2001 | 312 |
| 2002 | 386 |
| 2003 | 404 |
| 2004 | 430 |
| 2005 | 361 |
| 2006 | 353 |
| 2007 | 321 |
| 2008 | 305 |
| 2009 | 260 |
| 2010 | 321 |
| 2011 | 306 |
| 2012 | 298 |
| 2013 | 247 |
| 2014 | 279 |
| 2015 | 295 |
| 2016 | 322 |
| 2017 | 353 |
| 2018 | 341 |
| 2019 | 396 |
| 2020 | 278 |
| 2021 | 378 |
| 2022 | 365 |
| 2023 | 159 |