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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 150 |
| 1972 | 174 |
| 1973 | 193 |
| 1974 | 200 |
| 1975 | 182 |
| 1976 | 185 |
| 1977 | 138 |
| 1978 | 155 |
| 1979 | 148 |
| 1980 | 117 |
| 1981 | 133 |
| 1982 | 159 |
| 1983 | 89 |
| 1984 | 89 |
| 1985 | 159 |
| 1986 | 142 |
| 1987 | 139 |
| 1988 | 211 |
| 1989 | 142 |
| 1990 | 112 |
| 1991 | 202 |
| 1992 | 135 |
| 1993 | 144 |
| 1994 | 144 |
| 1995 | 127 |
| 1996 | 131 |
| 1997 | 99 |
| 1998 | 111 |
| 1999 | 136 |
| 2000 | 113 |
| 2001 | 128 |
| 2002 | 131 |
| 2003 | 133 |
| 2004 | 121 |
| 2005 | 196 |
| 2006 | 252 |
| 2007 | 239 |
| 2008 | 236 |
| 2009 | 235 |
| 2010 | 310 |
| 2011 | 370 |
| 2012 | 445 |
| 2013 | 394 |
| 2014 | 349 |
| 2015 | 343 |
| 2016 | 310 |
| 2017 | 272 |
| 2018 | 299 |
| 2019 | 313 |
| 2020 | 286 |
| 2021 | 242 |
| 2022 | 257 |
| 2023 | 284 |
| 2024 | 270 |
| 2025 | 169 |