Jan ( N = 836 )

Feb ( N = 754 )

Mar ( N = 837 )

Apr ( N = 809 )

May ( N = 837 )

Jun ( N = 803 )

Jul ( N = 810 )

Aug ( N = 837 )

Sep ( N = 405 )

Jan ( N = None )

Feb ( N = 671 )

Mar ( N = 673 )

Apr ( N = 746 )

May ( N = 790 )

Jun ( N = 789 )

Jul ( N = 834 )

Aug ( N = 814 )

Sep ( N = 790 )

Oct ( N = 604 )

Nov ( N = 788 )

Dec ( N = 836 )