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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1972 | 3 |
| 1973 | 23 |
| 1974 | 127 |
| 1975 | 255 |
| 1976 | 244 |
| 1977 | 232 |
| 1978 | 249 |
| 1979 | 243 |
| 1980 | 254 |
| 1981 | 297 |
| 1982 | 280 |
| 1983 | 231 |
| 1984 | 228 |
| 1985 | 254 |
| 1986 | 274 |
| 1987 | 225 |
| 1988 | 223 |
| 1989 | 226 |
| 1990 | 270 |
| 1991 | 234 |
| 1992 | 275 |
| 1993 | 230 |
| 1994 | 235 |
| 1995 | 284 |
| 1996 | 307 |
| 1997 | 287 |
| 1998 | 288 |
| 1999 | 314 |
| 2000 | 370 |
| 2001 | 434 |
| 2002 | 467 |
| 2003 | 537 |
| 2004 | 595 |
| 2005 | 605 |
| 2006 | 668 |
| 2007 | 708 |
| 2008 | 799 |
| 2009 | 931 |
| 2010 | 1136 |
| 2011 | 1293 |
| 2012 | 1318 |
| 2013 | 1317 |
| 2014 | 1394 |
| 2015 | 1282 |
| 2016 | 1246 |
| 2017 | 1114 |
| 2018 | 1016 |
| 2019 | 864 |
| 2020 | 723 |
| 2021 | 555 |
| 2022 | 367 |
| 2023 | 307 |
| 2024 | 162 |