Ok... because somebody asked for it...
ASM #471 -  77 300 copies
ASM #472 -  73 700 copies
ASM #473 -  82 300 copies
ASM #474 -  89 800 copies
ASM #475 -  90 500 copies
ASM #476 -  90 000 copies
ASM #477 -  92 800 copies *event* - 911 issue 
ASM #478 -  93 500 copies
ASM #479 -  95 300 copies *event* - Aunt May conversation issue 
ASM #480 -  97 400 copies *event* - 'Nuff Said issue (company wide event)
ASM #481 - 106 700 copies
ASM #482 - 105 100 copies
ASM #483 - 103 500 copies
ASM #484 - 106 000 copies
ASM #485 - 106 800 copies
ASM #486 - 105 400 copies
ASM #487 - 104 800 copies
ASM #488 - 102 600 copies
ASM #489 - 100 700 copies
ASM #490 -  97 000 copies
ASM #491 - 114 400 copies *event* - (ASM vol.2 #50) return of MJ issue 
ASM #492 -  95 300 copies
ASM #493 -  96 900 copies
ASM #494 -  95 100 copies
ASM #495 -  94 800 copies
ASM #496 -  95 100 copies
ASM #497 -  93 500 copies
ASM #498 -  94 700 copies
ASM #499 -  92 800 copies
ASM #500 - 148 900 copies *event* - ASM #500 issue (d'uh)
ASM #501 -  94 400 copies
ASM #502 -  90 500 copies
ASM #503 -  87 400 copies
ASM #504 -  84 000 copies
ASM #505 -  83 600 copies
ASM #506 -  83 200 copies
ASM #507 -  81 900 copies
ASM #508 -  82 300 copies
ASM #509 -  88 300 copies *event* - Sins Past
ASM #510 -  84 800 copies *event* - Sins Past
ASM #511 -  88 100 copies *event* - Sins Past
ASM #512 -  87 200 copies *event* - Sins Past
ASM #513 -  89 500 copies *event* - Sins Past
ASM #514 -  87 100 copies *event* - Sins Past
ASM #515 -  82 800 copies
ASM #516 -  79 700 copies
ASM #517 -  78 600 copies
ASM #518 -  76 900 copies
ASM #519 -  78 500 copies
ASM #520 -  76 100 copies
ASM #521 -  74 100 copies
ASM #522 -  73 100 copies
ASM #523 -  72 000 copies
ASM #524 -  71 100 copies
ASM #525 - written by Peter David
ASM #526 - written by Reginald Hudlin
ASM #527 -  79 300 copies *event* - The Other
ASM #528 -  95 400 copies *event* - The Other
ASM #529 -  90 400 copies *event* - Civil War/Iron Spidey
ASM #530 -  89 900 copies *event* - Civil War/Iron Spidey
ASM #531 -  86 900 copies *event* - Civil War/Iron Spidey
ASM #532 -  95 500 copies *event* - Civil War/Iron Spidey/Unmasking
ASM #533 - 113 000 copies *event* - Civil War/Iron Spidey/Unmasking
ASM #534 - 113 500 copies *event* - Civil War/Iron Spidey/Unmasking
ASM #535 - 117 000 copies *event* - Civil War/Iron Spidey/Unmasking
ASM #536 - 118 800 copies *event* - Civil War/Iron Spidey/Unmasking
ASM #537 - 114 800 copies *event* - Civil War/Iron Spidey/Unmasking
ASM #538 - 142 930 copies *event* - Civil War/Iron Spidey/Unmasking/Aunt May shot
ASM #539 - 137 723 copies *event* - Civil War/Unmasking/Back in Black
ASM #540 - 119 624 copies *event* - Civil War/Unmasking/Back in Black
ASM #541 - 108 217 copies *event* - Civil War/Unmasking/Back in Black
ASM #542 - 105 678 copies *event* - Civil War/Unmasking/Back in Black
ASM #543 - 106 478 copies *event* - Civil War/Unmasking/Back in Black
ASM #544 - 146 170 copies *event* - OMD
ASM #545 - 124 406 copies *event* - OMD
During his tenure, he wrote 73 issues of ASM.
Total # of books sold = 7 023 626 copies
That's an average of 96 214 copies sold under his tenure.
Now let's break this up a bit...
Total # of books sold (non-event issues (43 issues)) = 3 844 100 copies
Total # of books sold (event issues (30 issues)) = 3 179 526 copies
Average non-event book = 89 398 copies
Average event book = 105 984 copies
Interpret these numnbers as you wish...
Source: 
http://www.cbgxtra.com/Default.aspx?tabid=695
