The United States of...Depression?

12-month Sales (Billions of $US)
Abilify6.4
Nexium6
Cymbalta5.4
Humira5.4
Crestor5.3
Advair Diskus5.1
Enbrel4.7
Remicade4
Copaxone3.8
Neulasta3.5
Sources: webmd.com