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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 2 |
| 1967 | 1 |
| 1979 | 4 |
| 1980 | 15 |
| 1981 | 16 |
| 1982 | 16 |
| 1983 | 27 |
| 1984 | 38 |
| 1985 | 37 |
| 1986 | 33 |
| 1987 | 49 |
| 1988 | 52 |
| 1989 | 51 |
| 1990 | 79 |
| 1991 | 80 |
| 1992 | 109 |
| 1993 | 108 |
| 1994 | 118 |
| 1995 | 138 |
| 1996 | 135 |
| 1997 | 157 |
| 1998 | 226 |
| 1999 | 247 |
| 2000 | 310 |
| 2001 | 387 |
| 2002 | 414 |
| 2003 | 477 |
| 2004 | 331 |
| 2005 | 201 |
| 2006 | 203 |
| 2007 | 206 |
| 2008 | 217 |
| 2009 | 236 |
| 2010 | 209 |
| 2011 | 219 |
| 2012 | 230 |
| 2013 | 295 |
| 2014 | 272 |
| 2015 | 248 |
| 2016 | 247 |
| 2017 | 283 |
| 2018 | 239 |
| 2019 | 247 |
| 2020 | 287 |
| 2021 | 313 |
| 2022 | 368 |
| 2023 | 247 |
| 2024 | 86 |