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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1960 | 1 |
| 1961 | 4 |
| 1962 | 1 |
| 1967 | 1 |
| 1972 | 1 |
| 1986 | 1 |
| 1989 | 15 |
| 1990 | 55 |
| 1991 | 45 |
| 1992 | 44 |
| 1993 | 53 |
| 1994 | 39 |
| 1995 | 39 |
| 1996 | 48 |
| 1997 | 65 |
| 1998 | 57 |
| 1999 | 85 |
| 2000 | 92 |
| 2001 | 88 |
| 2002 | 117 |
| 2003 | 174 |
| 2004 | 143 |
| 2005 | 151 |
| 2006 | 216 |
| 2007 | 194 |
| 2008 | 209 |
| 2009 | 250 |
| 2010 | 274 |
| 2011 | 325 |
| 2012 | 401 |
| 2013 | 370 |
| 2014 | 412 |
| 2015 | 408 |
| 2016 | 378 |
| 2017 | 401 |
| 2018 | 374 |
| 2019 | 344 |
| 2020 | 363 |
| 2021 | 244 |
| 2022 | 30 |
| 2023 | 3 |
| 2024 | 0 |