Jan ( N = 1647 )

Feb ( N = 1540 )

Mar ( N = 1641 )

Apr ( N = 1592 )

May ( N = 1648 )

Jun ( N = 1588 )

Jul ( N = 1619 )

Aug ( N = 1650 )

Sep ( N = 1475 )

Oct ( N = 1658 )

Nov ( N = 1603 )

Dec ( N = 1648 )