| Covers listed | |
| 1995: | September, |
| 1999: | June, |
| 2000: | February, |
| 2003: | March, |
| 2004: | January, |
| 2005: | March, November, |
| 2007: | January, |
| 2008: | March, May, |
| 2009: | January, February, May, June, October, December, |
| 2010: | January, February, March, July, August, December, |
| 2011: | January, February, March, |
| 2012: | February, |
| 2013: | June, July, |
