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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1961 | 2 |
| 1962 | 1 |
| 1974 | 1 |
| 1981 | 1 |
| 1985 | 1 |
| 1988 | 1 |
| 1989 | 3 |
| 1990 | 15 |
| 1991 | 28 |
| 1992 | 40 |
| 1993 | 37 |
| 1994 | 44 |
| 1995 | 45 |
| 1996 | 65 |
| 1997 | 62 |
| 1998 | 72 |
| 1999 | 71 |
| 2000 | 103 |
| 2001 | 161 |
| 2002 | 232 |
| 2003 | 251 |
| 2004 | 334 |
| 2005 | 520 |
| 2006 | 512 |
| 2007 | 719 |
| 2008 | 798 |
| 2009 | 886 |
| 2010 | 1038 |
| 2011 | 1250 |
| 2012 | 1288 |
| 2013 | 1334 |
| 2014 | 1265 |
| 2015 | 1171 |
| 2016 | 1076 |
| 2017 | 837 |
| 2018 | 858 |
| 2019 | 851 |
| 2020 | 634 |
| 2021 | 321 |
| 2022 | 239 |
| 2023 | 178 |
| 2024 | 209 |