Jan ( N = 557 )

Feb ( N = 496 )

Mar ( N = 541 )

Apr ( N = 538 )

May ( N = 510 )

Jun ( N = 516 )

Jul ( N = 469 )

Aug ( N = 539 )

Sep ( N = 623 )

Oct ( N = 954 )

Nov ( N = 928 )

Dec ( N = 945 )