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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 48 |
| 1973 | 51 |
| 1974 | 52 |
| 1975 | 52 |
| 1976 | 59 |
| 1977 | 50 |
| 1978 | 54 |
| 1979 | 53 |
| 1980 | 51 |
| 1981 | 55 |
| 1982 | 63 |
| 1983 | 79 |
| 1984 | 93 |
| 1985 | 103 |
| 1986 | 103 |
| 1987 | 105 |
| 1988 | 162 |
| 1989 | 206 |
| 1990 | 194 |
| 1991 | 188 |
| 1992 | 181 |
| 1993 | 198 |
| 1994 | 181 |
| 1995 | 193 |
| 1996 | 180 |
| 1997 | 203 |
| 1998 | 173 |
| 1999 | 189 |
| 2000 | 165 |
| 2001 | 300 |
| 2002 | 233 |
| 2003 | 226 |
| 2004 | 274 |
| 2005 | 322 |
| 2006 | 318 |
| 2007 | 265 |
| 2008 | 304 |
| 2009 | 321 |
| 2010 | 336 |
| 2011 | 275 |
| 2012 | 284 |
| 2013 | 300 |
| 2014 | 316 |
| 2015 | 301 |
| 2016 | 296 |
| 2017 | 339 |
| 2018 | 285 |
| 2019 | 277 |
| 2020 | 240 |
| 2021 | 297 |
| 2022 | 297 |
| 2023 | 239 |
| 2024 | 235 |
| 2025 | 75 |