| Covers listed |
|
| 1991: | February/March, |
| 1994: | July, October, |
| 1995: | March, August, September, |
| 1996: | January, March, April, June, July, August, September, October, November, December, |
| 1997: | January, February, March, April, June, July, August, September, November, December, |
| 1998: | January, February, March, April, May, June, July, August, October, November, December, |
| 1999: | January, February, #110 / March, April, May, June, July, August, September, October, #118 / November, December, |
| 2000: | January, #121 / February, March, April, May, June, July, August, September, October, November, December, |
| 2001: | January, February, March, April, May, Summer, July, August, September, October, November, December, |
| 2002: | January, February, March, April, May, June, August, September, October, November, December, |
| 2003: | #157 / January, February, March, April, #33 / June, July, August, October, November, December, |
| 2004: | January, February, March, #172 / April, June, September, October, #179 / November, December, |
| 2005: | #181 / January, February, March, April, May, June, July, August, September, December, |
| 2006: | January, February, March, Spring, April, May, July, August, September, October, November, December, |
| 2007: | January, February, March, April, May, July, August, September, October, November, December, |
| 2008: | January, February, March, April, May, July, August, September, October, |
| 2009: | April, June, July, August, September, November, |
| 2010: | March, June, July, August, September, October, |
| 2011: | January, March, April, May, August, November, |
| 2012: | January, June, July, August, September, October, November, |
| 2013: | January, February, April, June, July, August, September, October, |
| 2014: | January, February, March, May, June, September, October, November, |
| 2015: | January, March, April, May, July, August, September, October, November, |
| 2016: | January, February, |
| 2021: | October, November, |
| 2022: | January, March, April, December, |
| 2023: | January, |
| 2024: | March, |
