| Covers listed |
|
| 1991: | May, June, July, September, October, November, December, |
| 1992: | January, February, March, April, May, August, September, October, |
| 1993: | February, April, May, June, July, August, September, October, November, December, |
| 1994: | January, February, March, April, May, June, July, October, November, December, |
| 1995: | January, March, April, May, June, July, August, September, October, November, December, |
| 1996: | January, February, March, June, July, August, September, October, November, December, |
| 1997: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 1998: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 1999: | January, February, March, April, May, June, July, August, September, October, October, November, December, |
| 2000: | January, February, April, #109 /May, October, November, December, |
| 2001: | January, February, March, April, May, October, November, December, |
| 2002: | February, March, May, December, |
| 2003: | February, May, |
| 2004: | March, September, |
| 2006: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 2007: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 2008: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 2009: | #213 /January, February, March, April, May, June, July, August, September, October, November, December, |
| 2010: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 2011: | January, February, #239 /March, April, May, June, July, August, September, October, November, December, |
| 2012: | January, February, March, April, May, June, July, August, October, November, December, |
| 2013: | January, February, March, April, May, June, July, August, September, October, November/December, |
| 2014: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 2015: | January, February, March, April, May, June, July, August/September, October, November, December, |
| 2016: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 2017: | January, April, May, June, July, August, September, |
| 2018: | December, |
| 2022: | #371 / March, June, July, August, December, |
| 2023: | January, April, May, June, August, |
