The IHF website has updated the competition archive at their website to include results and some statistics. If you look at World Championships sections you can see how some nations that didn’t fare as well in the past (Danish Women, French Men) have improved over the years.

Women: http://www.ihf.info/front_content.php?idart=443
Men: http://www.ihf.info/front_content.php?idart=440

One interesting tidbit that I learned was that American Steve Goss was the 4th leading scorer at the 1985 B World Championships in Norway. Steve is one of the few Americans to ever play professionally overseas and I would expect that a performance like this helped make that happen.