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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1969 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1976 | 5 |
| 1977 | 1 |
| 1979 | 1 |
| 1983 | 2 |
| 1984 | 1 |
| 1985 | 3 |
| 1986 | 2 |
| 1987 | 4 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 5 |
| 1991 | 1 |
| 1992 | 4 |
| 1993 | 6 |
| 1994 | 7 |
| 1995 | 18 |
| 1996 | 23 |
| 1997 | 20 |
| 1998 | 25 |
| 1999 | 27 |
| 2000 | 48 |
| 2001 | 46 |
| 2002 | 65 |
| 2003 | 75 |
| 2004 | 82 |
| 2005 | 122 |
| 2006 | 115 |
| 2007 | 141 |
| 2008 | 194 |
| 2009 | 213 |
| 2010 | 275 |
| 2011 | 323 |
| 2012 | 341 |
| 2013 | 407 |
| 2014 | 395 |
| 2015 | 408 |
| 2016 | 449 |
| 2017 | 411 |
| 2018 | 403 |
| 2019 | 399 |
| 2020 | 421 |
| 2021 | 443 |
| 2022 | 489 |
| 2023 | 468 |
| 2024 | 161 |