Jan ( N = 1474 )

Feb ( N = 1316 )

Mar ( N = 1456 )

Apr ( N = 1418 )

May ( N = 1436 )

Jun ( N = 1432 )

Jul ( N = 1461 )

Aug ( N = 1468 )

Sep ( N = 1424 )

Oct ( N = 1480 )

Nov ( N = 1435 )

Dec ( N = 1481 )