Jan ( N = 1681 )

Feb ( N = 1530 )

Mar ( N = 1700 )

Apr ( N = 1648 )

May ( N = 1705 )

Jun ( N = 1628 )

Jul ( N = 1501 )

Aug ( N = 1700 )

Sep ( N = 1650 )

Oct ( N = 1705 )

Nov ( N = 1650 )

Dec ( N = 1689 )