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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1979 | 2 |
| 1981 | 1 |
| 1982 | 1 |
| 1984 | 2 |
| 1985 | 2 |
| 1986 | 2 |
| 1987 | 3 |
| 1988 | 2 |
| 1989 | 4 |
| 1990 | 6 |
| 1991 | 6 |
| 1992 | 9 |
| 1993 | 11 |
| 1994 | 16 |
| 1995 | 8 |
| 1996 | 15 |
| 1997 | 21 |
| 1998 | 28 |
| 1999 | 33 |
| 2000 | 40 |
| 2001 | 42 |
| 2002 | 41 |
| 2003 | 62 |
| 2004 | 82 |
| 2005 | 80 |
| 2006 | 81 |
| 2007 | 128 |
| 2008 | 136 |
| 2009 | 157 |
| 2010 | 160 |
| 2011 | 164 |
| 2012 | 189 |
| 2013 | 188 |
| 2014 | 203 |
| 2015 | 216 |
| 2016 | 222 |
| 2017 | 230 |
| 2018 | 206 |
| 2019 | 221 |
| 2020 | 167 |
| 2021 | 50 |
| 2022 | 33 |
| 2023 | 35 |
| 2024 | 10 |