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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 1 |
| 1959 | 1 |
| 1962 | 2 |
| 1964 | 2 |
| 1977 | 3 |
| 1980 | 1 |
| 1982 | 4 |
| 1983 | 5 |
| 1984 | 11 |
| 1985 | 5 |
| 1986 | 4 |
| 1987 | 8 |
| 1988 | 18 |
| 1989 | 24 |
| 1990 | 24 |
| 1991 | 15 |
| 1992 | 19 |
| 1993 | 14 |
| 1994 | 19 |
| 1995 | 14 |
| 1996 | 16 |
| 1997 | 18 |
| 1998 | 21 |
| 1999 | 26 |
| 2000 | 33 |
| 2001 | 36 |
| 2002 | 52 |
| 2003 | 75 |
| 2004 | 115 |
| 2005 | 129 |
| 2006 | 128 |
| 2007 | 161 |
| 2008 | 139 |
| 2009 | 154 |
| 2010 | 181 |
| 2011 | 240 |
| 2012 | 265 |
| 2013 | 298 |
| 2014 | 282 |
| 2015 | 254 |
| 2016 | 310 |
| 2017 | 308 |
| 2018 | 252 |
| 2019 | 329 |
| 2020 | 328 |
| 2021 | 364 |
| 2022 | 374 |
| 2023 | 250 |