Jan ( N = 556 )

Feb ( N = 503 )

Mar ( N = 391 )

Apr ( N = 534 )

May ( N = 557 )

Jun ( N = 535 )

Jul ( N = 557 )

Aug ( N = 554 )

Sep ( N = 538 )

Oct ( N = 430 )

Nov ( N = 500 )

Dec ( N = 465 )