| Covers listed | |
| 2003: | April, |
| 2004: | February, April, |
| 2005: | February, March/April, December 2004-January, |
| 2006: | February, March/April, August, September, October, November, |
| 2007: | May, July/August, October, |
| 2008: | August, October, |
| 2009: | March, April, May, October, November, December 2008-January, |
| 2011: | March, April, May, June, August, September, October, December, |
| 2012: | February, March, |
