| Covers listed | |
| 1994: | May, |
| 1995: | January/February, March, June, November, |
| 1996: | January, October, |
| 1997: | June, July/August, December, |
| 1998: | January, March, April, September, December, |
| 1999: | February, April, May, September, |
| 2000: | January, June, August, |
| 2003: | January, July, |
| 2005: | December, |
| 2006: | June, |
| 2007: | August, September, December, |
| 2008: | June, September, October, |
| 2009: | January, April, May, October, |
| 2011: | April, |
| 2012: | January, April, May, |
| 2014: | October, |
| 2016: | April, |
| 2017: | March, August, |
| 2018: | April, October, November, |
| 2019: | February, September, October, |
| 2020: | October, |
| 2021: | March, May, June, October, |
