| Covers listed |
|
| 1990: | February, March, April, May, June, August, September, October, November, |
| 1991: | January, February, March, June, July, August, September, October, November, |
| 1992: | January, February, March, April, May, September, October, November, December, |
| 1993: | January, February, March, April, July, August, September, November, December, |
| 1994: | January, February, April, May, June, July, August, September, November, December, |
| 1995: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 1996: | January, February, April, May, June, July, August, September, October, November, December, |
| 1997: | January, February, March, May, June, July, August, September, November, December, |
| 1998: | January, February, March, May, June, July, August, September, October, November, December, |
| 1999: | January, February, March, April, May, June, July, August, September, November, December, |
| 2000: | February, March, April, May, June, July, August, September, October, November, December, |
| 2001: | January, March, April, May, July, August, October, December, |
| 2002: | January, February, March, April, May, June, July, August, September, November, December, |
| 2003: | January, February, March, April, May, June, August, September, December, |
| 2004: | January, February, April, May, June, July, August, September, October, November, December, |
| 2005: | February, March, April, May, June, July, August, September, October, November, December, |
| 2006: | January, February, March, April, May, June, July, September, November, December, |
| 2007: | January, February, March, April, May, June, July, September, October, November, December, |
| 2008: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 2009: | 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, March, April, May, 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, 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, February, March, April, May, June, July, August, September, October, November, December, |
| 2018: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 2019: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 2020: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 2021: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 2022: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 2023: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 2024: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 2025: | January, February, March, April, May, June, July, August, September, October, November, December, |
| 2026: | January, February, March, April, May, June, July, |
