Jan ( N = 124 )

Feb ( N = 112 )

Mar ( N = 124 )

Apr ( N = 380 )

May ( N = 406 )

Jun ( N = 408 )

Jul ( N = 479 )

Aug ( N = 496 )

Sep ( N = 474 )

Oct ( N = 490 )

Nov ( N = 257 )

Dec ( N = 117 )