Here's how punk music (and related) placed on Billboard's top 20 Independent Album Sales chart this for the April 20, 2002 issue: #9 "The Places You Have Come To…," Dashboard Confessional (Vagrant)
#11 "Full Collapse," Thursday (Victory)
#15 "The Process Of Belief," Bad Religion (Epitaph)
#17 "Drunken Lullabies," Flogging Molly (Side One Dummy)
#18 "BYO Split Series Volume III," Rancid / NOFX (BYO)
"Top Independent Albums are current titles that are sold via independent distribution, including those which are fulfilled via major branch distributors. Compiled from a national sample of retail store, mass merchant, and Internet sales reports collected, compiled, and provided by SoundScan." Basically, if it has a barcode, they know…(this is a new feature I'm trying, bear with me)