Jan ( N = 630 )

Feb ( N = 640 )

Mar ( N = 713 )

Apr ( N = 689 )

May ( N = 917 )

Jun ( N = 1041 )

Jul ( N = 1087 )

Aug ( N = 1100 )

Sep ( N = 1062 )

Oct ( N = 1101 )

Nov ( N = 685 )

Dec ( N = 673 )