Look at their FAQ page here :
WE pay 20$ for 1000 uniq US downloads of your files. We pay 10$ for 1000 uniq downloads of your files rom other countries we accept.
List of the paid countires: GB, CA, AU, NO, DK, NZ, SE, PR, DE, ES, IT, FR, CH, BE, NL, AT, FI, ZA, IS, IE.
They are not paying for international member traffic