U.S. Drug Sales 2009
[IMS Health]
Total Drug Sales      300.3 billion
   APs     #1     14.6 billion
   lipid     #2     14.3 billion
   PPI     #3     13.6 billion
   ADs     #4       9.9 billion
   insulin   #9       6.3 billion
   stimulants   #11       5.8 billion
   seizure     #13       5.3 billion
APs = antipsychotics
ADs = antidepressants