Jan ( N = 519 )

Feb ( N = 338 )

Mar ( N = 344 )

Apr ( N = 227 )

May ( N = 602 )

Jun ( N = 918 )

Jul ( N = 668 )

Aug ( N = 797 )

Sep ( N = 916 )

Oct ( N = 1070 )

Nov ( N = 1110 )

Dec ( N = 935 )