Jan ( N = 1453 )

Feb ( N = 1301 )

Mar ( N = 1451 )

Apr ( N = 1394 )

May ( N = 1457 )

Jun ( N = 1409 )

Jul ( N = 1457 )

Aug ( N = 1450 )

Sep ( N = 1277 )

Oct ( N = 1453 )

Nov ( N = 1408 )

Dec ( N = 1404 )