Jan ( N = 39 )

Feb ( N = 585 )

Mar ( N = 855 )

Apr ( N = 875 )

May ( N = 682 )

Jun ( N = 667 )

Jul ( N = 896 )

Aug ( N = 952 )

Sep ( N = 867 )

Oct ( N = 704 )

Nov ( N = 861 )

Dec ( N = 875 )