Jan ( N = 433 )

Feb ( N = 543 )

Mar ( N = 759 )

Apr ( N = 658 )

May ( N = 942 )

Jun ( N = 994 )

Jul ( N = 1088 )

Aug ( N = 1109 )

Sep ( N = 966 )

Oct ( N = 735 )

Nov ( N = 515 )

Dec ( N = 479 )