| Covers listed |
|
| 1979: | #1 /April, #2 /August, #3 /December, |
| 1980: | #4 /April, #5 /August, #6 /December, |
| 1981: | #7 /April, #8 /August, #9 /December, |
| 1982: | #10 /April, #11 /August, |
| 1983: | #12 /January, #13 /June, |
| 1984: | #14 , #15 , |
| 1987: | #16 /June, |
| 1988: | #17 /March, #18 /Autumn, #19 /Winter, |
| 1989: | #20 /Summer, #21 /Winter, |
| 1990: | #22 /Spring, #23 /Winter, |
| 1992: | #24 , #25 , |
| 1993: | #26 , |
| 1994: | #27 /October, |
| 1995: | #28 , |
| 1996: | #29 , |
| 1997: | #30 , #31 , |
| 1998: | #32 , #33 , #34 /November, |
| 1999: | #35 /August, |
| 2000: | #36 /July, #37 , #38 /December, |
| 2001: | #39 /May, #39 /May, #39 /May, |
| 2002: | #40 /January, #40 /January, |
| 2003: | #41 /September, #42 /December, |
| 2004: | #43 /July, #44 /October, #45 /December, |
| 2005: | #46 /July, #47 /October, #48 /December, |
| 2006: | #49 /August, #50 /November, |
| 2009: | #51 /August, #52 /December, |
| 2010: | #53 /August, |
| 2011: | #54 /February, |
| 2012: | #55 /August, |
| 2018: | #56 / August, #57 / September, |
| 2019: | #58 / June, #59 / November, |
