| Covers listed |
|
| 1997: | January/February, #2 / March, May/June, July/August, |
| 1998: | #3 / May, #4 / July, |
| 1999: | #1 / January, #2 / March, #3 / May, |
| 2000: | #1 / January, April, #2 / , #3 / , |
| 2001: | #1 / January, March/April, May/June, July/August, |
| 2002: | January/February, March/April, July/August, November/December, |
| 2003: | #2 / March, #3 / May, July/August, November/December, |
| 2004: | #1 / January, #2 / March, #3 / May, #4 / July, #5 / September- October, #6 / November- December, |
| 2005: | January/February, March/April, May/June, #5 / September/October, November/December, |
| 2006: | January/February, March/April, May/June, July/August, September/October, November/December, , |
| 2008: | January/February, #2 / March/April, #3 / May/June, |
| 2010: | #1 / January, #2 / March, #4 / July, #5 / September- October, #6 / November- December, |
| 2011: | #1 / January/February, #2 / March/April, May/June, #4 / July/August, #5 / September- October, #6 / November- December, |
| 2012: | #2 , #3 , July/August, #5 / September/October, |
| 2013: | January/February, March/April, May/June, #4 / June-July, August, #5 / September- October, #7 / November- December, |
| 2014: | #1 / January/February, #2 / March/April, #3 / May, #4 / June, #5 / August, #6 / September- October, #7 / November- December, |
| 2015: | January/February, March/April, June/July, September/October, November/December, |
| 2016: | January/February, #2 / March- April, #3 / May- June, June/July, August/September, September/October, November/December, |
| 2017: | January/February, March/April, May/June, #5 / September- October, #6 / November- December, |
| 2018: | January/February, March/April, #4 / July/August, #6 / November/December, |
| 2019: | #1 / January/February, #2 / March/April, |
| 2020: | #2 / March/April, |
