| Covers listed | |
| 1984: | Summer, |
| 1985: | Autumn, |
| 1989: | Spring, |
| 1996: | Winter, |
| 1997: | Fall, |
| 1999: | Spring, |
| 2001: | Spring, |
| 2002: | Spring, |
| 2003: | Fall, Winter, |
| 2004: | Spring, Summer, Fall, Winter, |
| 2005: | Spring, Summer, Winter, |
| 2006: | Spring, Winter, |
| 2007: | Summer, Fall, |
| 2008: | Spring, Summer, Fall, Winter, |
| 2009: | Spring, Summer, Fall, Winter, |
| 2010: | Spring, Summer, Fall, Winter, |
| 2011: | Spring, Summer, Fall, Winter, |
| 2012: | Spring, Fall, Winter, |
| 2013: | Spring, Summer, Fall, Winter, |
| 2014: | Spring, Summer, |
| 2015: | Summer, |
| 2019: | , |
