Jan ( N = 1338 )

Feb ( N = 1492 )

Mar ( N = 1665 )

Apr ( N = 1631 )

May ( N = 1630 )

Jun ( N = 785 )

Jul ( N = 1660 )

Aug ( N = 1644 )

Sep ( N = 1585 )

Oct ( N = 1542 )

Nov ( N = 1585 )

Dec ( N = 1645 )