Jan ( N = 251 )

Feb ( N = 292 )

Mar ( N = 271 )

Apr ( N = 432 )

May ( N = 557 )

Jun ( N = 586 )

Jul ( N = 617 )

Aug ( N = 547 )

Sep ( N = 417 )

Oct ( N = 374 )

Nov ( N = 187 )

Dec ( N = 64 )