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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1963 | 1 |
| 1974 | 2 |
| 1975 | 1 |
| 1977 | 1 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 1 |
| 1983 | 3 |
| 1984 | 7 |
| 1985 | 7 |
| 1986 | 9 |
| 1987 | 6 |
| 1988 | 12 |
| 1989 | 11 |
| 1990 | 9 |
| 1991 | 16 |
| 1992 | 14 |
| 1993 | 18 |
| 1994 | 16 |
| 1995 | 16 |
| 1996 | 18 |
| 1997 | 12 |
| 1998 | 25 |
| 1999 | 22 |
| 2000 | 32 |
| 2001 | 33 |
| 2002 | 36 |
| 2003 | 52 |
| 2004 | 68 |
| 2005 | 88 |
| 2006 | 99 |
| 2007 | 117 |
| 2008 | 93 |
| 2009 | 98 |
| 2010 | 120 |
| 2011 | 153 |
| 2012 | 157 |
| 2013 | 220 |
| 2014 | 223 |
| 2015 | 223 |
| 2016 | 217 |
| 2017 | 257 |
| 2018 | 225 |
| 2019 | 237 |
| 2020 | 311 |
| 2021 | 351 |
| 2022 | 376 |
| 2023 | 188 |