2021
| Fall |
| July |
| April |
| January |
2020
| Fall |
| Summer |
| April |
| January |
2019
| November/December |
| Fall |
| July/August |
| May/June |
| February/March |
2018
| November/December |
| September/October |
| June/July |
| April |
| January/February |
2017
| November |
| October |
| August |
| May/June |
| March/April |
| January |
2016
| October 2016 |
| August 2016 |
| June 2016 |
| April 2016 |
| February/March |
2015
| December |
| Fall |
| Summer |
| April/May |
| February/March |
2014
| November/December |
| April/May |
| June/July |
| February |
| September/October |
2013
| October |
| July |
| March/April |
| February |
2012
| September |
| June/July |
| March/April |
| January/February |
2011
| September/October |
| July |
| Spring |
| February |
2010
| Fall |
| Summer |
| April |
| February |
2009
| November |
| September |
| July |
| April |
| February |
2008
| December |
| September |
| June |
| March |
| January |
2007
| Fall |
| February |
2006
| September |
| February |
2005
| September |
| March |
| February |