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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1966 | 5 |
| 1967 | 3 |
| 1968 | 3 |
| 1972 | 1 |
| 1973 | 13 |
| 1974 | 112 |
| 1975 | 190 |
| 1976 | 164 |
| 1977 | 176 |
| 1978 | 165 |
| 1979 | 206 |
| 1980 | 174 |
| 1981 | 172 |
| 1982 | 186 |
| 1983 | 169 |
| 1984 | 215 |
| 1985 | 187 |
| 1986 | 228 |
| 1987 | 207 |
| 1988 | 231 |
| 1989 | 256 |
| 1990 | 292 |
| 1991 | 282 |
| 1992 | 295 |
| 1993 | 286 |
| 1994 | 276 |
| 1995 | 281 |
| 1996 | 269 |
| 1997 | 432 |
| 1998 | 277 |
| 1999 | 336 |
| 2000 | 351 |
| 2001 | 354 |
| 2002 | 359 |
| 2003 | 500 |
| 2004 | 564 |
| 2005 | 758 |
| 2006 | 796 |
| 2007 | 853 |
| 2008 | 847 |
| 2009 | 896 |
| 2010 | 1046 |
| 2011 | 1230 |
| 2012 | 1294 |
| 2013 | 1362 |
| 2014 | 1333 |
| 2015 | 1438 |
| 2016 | 1552 |
| 2017 | 1477 |
| 2018 | 1503 |
| 2019 | 1468 |
| 2020 | 1168 |
| 2021 | 720 |
| 2022 | 692 |
| 2023 | 538 |
| 2024 | 324 |