| Covers listed |
|
| 1999: | September, |
| 2002: | October, |
| 2003: | March, November, |
| 2004: | October, |
| 2005: | February, September, |
| 2006: | July, August, September, |
| 2008: | March, June, July, October, |
| 2010: | August, September, November, |
| 2011: | January, July, September, November, |
| 2012: | January, May, July, October, December, |
| 2013: | February, March, April, May, June, July, August, September, |
| 2014: | January, April, June, September, November, December, |
| 2015: | January, February, March, April, May, June, July, August, September, November, December, |
| 2016: | January, February, March, June, July, September, |
| 2017: | January, February, March, April, May, June, July, September, October, December, |
| 2018: | February, June, September, October, December, |
| 2019: | January, February, June, |
| 2020: | February, March, June, July/August, September, October, November, |
| 2021: | January, |
| 2022: | October, |
| 2023: | May, |
| 2025: | April, |
