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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1957 | 2 |
| 1968 | 1 |
| 1976 | 2 |
| 1977 | 3 |
| 1979 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1984 | 2 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 3 |
| 1990 | 1 |
| 1992 | 1 |
| 1994 | 1 |
| 1995 | 1 |
| 1997 | 2 |
| 1999 | 1 |
| 2000 | 2 |
| 2001 | 5 |
| 2002 | 14 |
| 2003 | 22 |
| 2004 | 30 |
| 2005 | 40 |
| 2006 | 65 |
| 2007 | 105 |
| 2008 | 118 |
| 2009 | 114 |
| 2010 | 119 |
| 2011 | 142 |
| 2012 | 166 |
| 2013 | 272 |
| 2014 | 369 |
| 2015 | 324 |
| 2016 | 312 |
| 2017 | 244 |
| 2018 | 254 |
| 2019 | 329 |
| 2020 | 463 |
| 2021 | 583 |
| 2022 | 572 |
| 2023 | 523 |
| 2024 | 258 |