2001 | A | AA | AAA |
2002 | A | AA | AAA |
2003 | A | AA | AAA |
2004 | A | AA | AAA |
2005 | A | AA | AAA |
2006 | A | AA | AAA |
2007 | A | AA | AAA |
2008 | A | AA | AAA |
2009 | A | AA | AAA |
2110 | A | AA | AAA |
2011 | A | AA | AAA |
2012 | A | AA | AAA |
2013 | A | AA | AAA |
2014 | A | AA | AAA |
2015 | A | AA | AAA |
2016 | A | AA | AAA |
2017 | A | AA | AAA |
2018 | A | AA | AAA |
2019 | A | AA | AAA |
2020 | A | AA | AAA |
2021 | A | AA | AAA |
2022 | A | AA | AAA |
2023 | A | AA | AAA |