Jan ( N = 1761 )

Feb ( N = 1495 )

Mar ( N = 1778 )

Apr ( N = 1695 )

May ( N = 1708 )

Jun ( N = 164 )

Jul ( N = None )

Oct ( N = None )

Nov ( N = None )

Apr ( N = 1834 )

May ( N = 3750 )

Jun ( N = 2291 )

Jul ( N = 1497 )

Aug ( N = 1738 )

Sep ( N = 1699 )

Oct ( N = 1747 )

Nov ( N = 1724 )

Dec ( N = 1764 )