| Covers listed | |
| 2008: | May, September, November, |
| 2009: | September, |
| 2010: | April, September, November, |
| 2011: | April, October, November, |
| 2012: | April, September, November, |
| 2013: | April, September, November, |
| 2014: | April, September, November, |
| 2015: | May, October, November, |
| 2016: | March, April, October, November, |
| 2017: | May, November, |
| 2018: | May, November, |
| 2019: | May, November, |
