Jan ( N = 1480 )

Feb ( N = 1390 )

Mar ( N = 1488 )

Apr ( N = 1287 )

May ( N = 1487 )

Jun ( N = 1434 )

Jul ( N = 1483 )

Aug ( N = 1487 )

Sep ( N = 1436 )

Oct ( N = 1485 )

Nov ( N = 1437 )

Dec ( N = 1487 )