| Answer | % Correct |
|---|---|
| 2000 | 95%
|
| 2002 | 95%
|
| 2001 | 92%
|
| 2003 | 92%
|
| 2004 | 92%
|
| 2005 | 89%
|
| 2006 | 87%
|
| 2007 | 84%
|
| 2009 | 84%
|
| 2010 | 84%
|
| 2008 | 82%
|
| 2011 | 66%
|
| 2012 | 58%
|
| 2013 | 53%
|
| 2014 | 47%
|
| 2015 | 45%
|
| 2016 | 34%
|
| 2017 | 24%
|
| 2018 | 21%
|
| 2020 | 21%
|
| 2019 | 16%
|