| Covers listed |
|
| 1976: | #1 /September, |
| 1977: | #2 /September, |
| 1979: | #3/4 /June, |
| 1980: | #5 , #6 , |
| 1981: | #7 , |
| 1982: | #8/9/10 , |
| 1983: | #11 , |
| 1984: | #12 , |
| 1985: | #13/14 , |
| 1986: | #15 , |
| 1988: | #16 , #17 , #18 , |
| 1989: | #19 , #20/21 , |
| 1990: | #22 , #23 /May, #24 , |
| 1991: | #25/26 /May, #27 , |
| 1992: | #28 /January, #29 , #30 , |
| 1993: | #31 /May, #32 , |
| 1994: | #33/34 /May-September, |
| 1995: | #35 , #36 , |
| 1996: | #37 , #38 , #39 , |
| 1997: | #40/41 , |
| 1999: | #42 , |
| 2000: | #43 , #44 , |
| 2001: | #45 , #46 , #47 , #48 , |
| 2002: | #49 , #50 , #51 , |
| 2003: | #52 , #53 , |
| 2004: | #54 , #55 , #56 , #57 , |
| 2005: | #58 , #59 , #60 , |
| 2006: | #61 , #62 , #63 , |
| 2007: | #64 , #65 , #66 , |
| 2008: | #67 , #68 , #69 , |
| 2009: | #70 Vol 24 # 1, #71 Vol 24 # 2/September/October/November/December, |
| 2010: | #72 Vol 24 # 3/January/February/March, #73 Vol 25 # 1/April/May/June, #74 Vol 25 # 2/September/October/November, #75 Vol 25 # 3/December, |
| 2011: | #76 Vol 26 # 1/March/April/May/June, #77 Vol 26 # 2/September/October/November/December, |
| 2012: | #78 Vol 26 # 3/January/February/March/April, #79 Vol 27 # 1/May/June/July, #80 Vol 27 # 2/August/September/October, #81 Vol 27 # 3/November/December, |
| 2013: | #82 Vol 28 # 1, #83 , #84 , |
| 2014: | #85 , #86 , #87 , |
| 2015: | #88 , #89 , #90 , |
| 2016: | #91 , #92 , #93 , |
| 2017: | #94 , #95 / , #96 / , |
| 2018: | #97 / May, #99 / December, |
| 2019: | #100 / May, #101 / September, #102 / December, |
| 2020: | #103 / May, #104 Vol 35 No 2/ September, #105 / December, |
| 2021: | #106 / May, #107 / September, #108 / December, |
| 2022: | #109 / May, #110 / September, #111 / December, |
| 2023: | #112 / May, #113 / September, #114 / December, |
| 2024: | #115 / May, #116 / September, #117 / December, |
| 2025: | #118 / May, #119 / September, #120 / December, |
