Jan ( N = 1644 )

Feb ( N = 1459 )

Mar ( N = 1643 )

Apr ( N = 1589 )

May ( N = 990 )

Jun ( N = 1586 )

Jul ( N = 1640 )

Aug ( N = 1642 )

Sep ( N = 1582 )

Oct ( N = 1558 )

Nov ( N = 1586 )

Dec ( N = 1586 )