Jan ( N = 345 )

Feb ( N = 347 )

Mar ( N = 419 )

Apr ( N = 419 )

May ( N = 434 )

Jun ( N = 416 )

Jul ( N = 429 )

Aug ( N = 433 )

Sep ( N = 416 )

Oct ( N = 394 )

Nov ( N = 330 )

Dec ( N = 325 )