Jan ( N = 24 )

Feb ( N = 288 )

Mar ( N = 340 )

Apr ( N = 294 )

May ( N = 372 )

Jun ( N = 360 )

Jul ( N = 372 )

Aug ( N = 324 )

Sep ( N = 360 )

Oct ( N = 372 )

Nov ( N = 141 )

Dec ( N = 276 )