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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 74 |
| 1971 | 107 |
| 1972 | 99 |
| 1973 | 83 |
| 1974 | 110 |
| 1975 | 110 |
| 1976 | 101 |
| 1977 | 110 |
| 1978 | 163 |
| 1979 | 116 |
| 1980 | 108 |
| 1981 | 108 |
| 1982 | 115 |
| 1983 | 144 |
| 1984 | 145 |
| 1985 | 115 |
| 1986 | 150 |
| 1987 | 188 |
| 1988 | 198 |
| 1989 | 195 |
| 1990 | 148 |
| 1991 | 123 |
| 1992 | 186 |
| 1993 | 176 |
| 1994 | 113 |
| 1995 | 160 |
| 1996 | 155 |
| 1997 | 154 |
| 1998 | 170 |
| 1999 | 238 |
| 2000 | 293 |
| 2001 | 383 |
| 2002 | 381 |
| 2003 | 278 |
| 2004 | 376 |
| 2005 | 628 |
| 2006 | 469 |
| 2007 | 421 |
| 2008 | 369 |
| 2009 | 416 |
| 2010 | 399 |
| 2011 | 438 |
| 2012 | 585 |
| 2013 | 354 |
| 2014 | 472 |
| 2015 | 399 |
| 2016 | 422 |
| 2017 | 90 |
| 2018 | 1 |
| 2024 | 0 |