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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1960 | 5 |
| 1961 | 6 |
| 1962 | 6 |
| 1968 | 1 |
| 1971 | 1 |
| 1976 | 1 |
| 1982 | 1 |
| 1989 | 3 |
| 1990 | 3 |
| 1991 | 6 |
| 1992 | 15 |
| 1993 | 9 |
| 1994 | 8 |
| 1995 | 11 |
| 1996 | 11 |
| 1997 | 6 |
| 1998 | 13 |
| 1999 | 5 |
| 2000 | 16 |
| 2001 | 24 |
| 2002 | 39 |
| 2003 | 46 |
| 2004 | 66 |
| 2005 | 66 |
| 2006 | 82 |
| 2007 | 80 |
| 2008 | 104 |
| 2009 | 109 |
| 2010 | 145 |
| 2011 | 168 |
| 2012 | 175 |
| 2013 | 201 |
| 2014 | 216 |
| 2015 | 224 |
| 2016 | 216 |
| 2017 | 240 |
| 2018 | 249 |
| 2019 | 309 |
| 2020 | 259 |
| 2021 | 166 |
| 2022 | 18 |
| 2023 | 12 |
| 2024 | 151 |