2, How to Save a Life, and the self-titled The Fray.
I would guess around 75 million worldwide. Am I on target?
30 million coppes in the usa.
Sunburn, Origin of Symmetry, Absolution, Black Holes and Revelations, (HAARP), (Hullabaloo), and The Resistance. So that makes seven (unless you don't want to count HAARP and Hullabaloo then it is...