| Covers listed |
|
| 1985: | May, |
| 1988: | August, |
| 1989: | April/May, |
| 1990: | April, October, December, |
| 1991: | May, June, August, |
| 1992: | January, February, May, August, December, |
| 1993: | January, February, May, June, August, December, |
| 1994: | January, February, March, June, July, August, |
| 1995: | January, June, August, November, |
| 1996: | March, June, July, August, September, November, |
| 1997: | January, April, June, July, November, |
| 1998: | April, June, December, |
| 1999: | February, April, October, |
| 2000: | January, February, March, May, July, August, September, October, November, |
| 2001: | January, February, March, June, October, November, |
| 2002: | March, May, July, August, October, November, |
| 2003: | January, February, May, June, July, September, November, |
| 2004: | January, May, June, August, September, December, |
| 2005: | February, March, April, June, July, August, October, December, |
| 2006: | January, February, March, April, August, November, December, |
| 2007: | January, March, May, July, August, September, |
| 2008: | February, May, June, July, November, |
| 2009: | January, March, May, July, September, October, December, |
| 2010: | March, April, May, June, August, September, November, December, |
| 2011: | February, March, April, June, July, August, September, October, November, December, |
| 2012: | January, February, March, April, May, June, July, August, September, 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, November, December, |
| 2015: | April, May, July, August, October, November, December, |
| 2016: | January, February, May, July, August, October, November, December, |
| 2017: | January, August, November, |
| 2018: | January/February, July, November, |
| 2019: | January/February, May, July, September, October, November, December, |
| 2020: | January/February, April, May, June, November, December, |
| 2021: | January/February, April, May, October, November, |
| 2022: | February, March, April, May, June, July/August, October, November, December 2022/ January 2023, |
| 2023: | April, June, Summer, August, October, November, |
| 2024: | February, March, June, Summer, September, October, November, |
| 2025: | Summer, #202601 / December, |
| 2026: | February, |
