| Month | Year |
|---|---|
| January | 2019 |
| September | 2018 |
| May | 2018 |
| January | 2018 |
| September | 2017 |
| May | 2017 |
| January | 2017 |
| September | 2016 |
| May | 2016 |
| January | 2016 |
| September | 2015 |
| May | 2015 |
| January | 2015 |
| September | 2014 |
| May | 2014 |
| January | 2014 |
| September | 2013 |
| May | 2013 |
| January | 2013 |
| May | 2012 |
| January | 2012 |
| September | 2011 |
| March | 2011 |
| August | 2010 |
| Feburary | 2010 |
| November | 2009 |
| April | 2009 |
| September | 2008 |
| May | 2008 |
| January | 2008 |
| September | 2007 |
| May | 2007 |
| January | 2007 |
| October | 2006 |
| July | 2006 |
| April | 2006 |
| January | 2006 |
| October | 2005 |
| July | 2005 |
| April | 2005 |
| January | 2005 |
| October | 2004 |
| July | 2004 |
| April | 2004 |
| January | 2004 |
| October | 2003 |
| July | 2003 |
| April | 2003 |
| January | 2003 |
| October | 2002 |
| July | 2002 |
| April | 2002 |
| January | 2002 |
| September | 2001 |
| July | 2001 |
| March | 2001 |
| January | 2001 |