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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 3 |
| 1967 | 2 |
| 1969 | 5 |
| 1970 | 3 |
| 1971 | 4 |
| 1972 | 9 |
| 1973 | 6 |
| 1974 | 2 |
| 1975 | 2 |
| 1976 | 3 |
| 1977 | 2 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 3 |
| 1981 | 3 |
| 1984 | 1 |
| 1987 | 1 |
| 1988 | 6 |
| 1989 | 12 |
| 1990 | 11 |
| 1991 | 17 |
| 1992 | 20 |
| 1993 | 11 |
| 1994 | 18 |
| 1995 | 55 |
| 1996 | 53 |
| 1997 | 73 |
| 1998 | 81 |
| 1999 | 89 |
| 2000 | 92 |
| 2001 | 136 |
| 2002 | 193 |
| 2003 | 196 |
| 2004 | 256 |
| 2005 | 296 |
| 2006 | 295 |
| 2007 | 335 |
| 2008 | 397 |
| 2009 | 389 |
| 2010 | 388 |
| 2011 | 469 |
| 2012 | 425 |
| 2013 | 473 |
| 2014 | 543 |
| 2015 | 491 |
| 2016 | 377 |
| 2017 | 383 |
| 2018 | 347 |
| 2019 | 324 |
| 2020 | 289 |
| 2021 | 157 |
| 2022 | 28 |
| 2023 | 5 |
| 2024 | 0 |