Jan ( N = 1766 )

Feb ( N = 1493 )

Mar ( N = 1780 )

Apr ( N = 1695 )

May ( N = 1706 )

Jun ( N = 164 )

Jul ( N = None )

Oct ( N = None )

Nov ( N = None )

Apr ( N = 1827 )

May ( N = 3737 )

Jun ( N = 2293 )

Jul ( N = 1500 )

Aug ( N = 1742 )

Sep ( N = 1701 )

Oct ( N = 1745 )

Nov ( N = 1722 )

Dec ( N = 1764 )