| Covers listed |
|
| 1991: | May, June, July, August, September, November, |
| 1992: | January, February, March, May, June, July, August, September, October, December, |
| 1993: | February, March, April, May, June, August, October, December, |
| 1994: | January, March, April, May, June, July, August, September, October, December, |
| 1995: | February, May, June, July, August, September, October, November, December, |
| 1996: | January, February, March, May, June, August, September, November, December, |
| 1997: | February, |
| 1998: | January, June, July, July/August, September, |
| 1999: | April, |
| 2000: | June, August, December, |
| 2001: | September, |
| 2002: | June, |
| 2003: | January, March, April, June, October, December, |
| 2004: | March, April, May, |
| 2005: | April, October, |
| 2006: | March, December, |
| 2007: | April, July, August, September, November, |
| 2008: | December, |
| 2009: | December 2009/ January 2010, |
| 2010: | November, |
| 2011: | September, |
| 2012: | March, |
| 2014: | November, |
| 2015: | March, July, December, |
| 2016: | March, July, October, November, |
| 2017: | January/February, April, June, August, September, December, |
| 2018: | April, May, November, December, |
| 2019: | January/February, March, June, July, October, |
| 2020: | July, |
| 2021: | January/February, March, July, September, November, December, |
| 2022: | March, April, June, July, August, September, October, November, December, |
| 2023: | January, March, April, May, June, July, September, October, November, December, |
| 2024: | January, February, April, May, June, July, August, September, October, November, December, |
| 2025: | January, February, March, April, May, June, July/August, |
