Jan ( N = 362 )

Feb ( N = 736 )

Mar ( N = 756 )

Apr ( N = 498 )

May ( N = 810 )

Jun ( N = 922 )

Jul ( N = 849 )

Aug ( N = 784 )

Sep ( N = 231 )

Oct ( N = 672 )

Jul ( N = 486 )

Aug ( N = 636 )

Sep ( N = 651 )

Oct ( N = 677 )

Nov ( N = 784 )

Dec ( N = 315 )

Apr ( N = None )

May ( N = None )

Jun ( N = None )

Jul ( N = None )