| Covers listed | |
| 2005: | March, June, |
| 2007: | January, April, |
| 2009: | April, September, |
| 2010: | February, April, November, |
| 2011: | April, August, September, |
| 2012: | January, March, April, October, November, |
| 2013: | February, March, April, June, July, November, |
| 2014: | February, March, |
