Jan ( N = 29 )

Feb ( N = 25 )

Mar ( N = 29 )

Apr ( N = 26 )

May ( N = 29 )

Jun ( N = 6 )

Jul ( N = 16 )

Aug ( N = 62 )

Sep ( N = 282 )

Oct ( N = 358 )

Nov ( N = 360 )

Dec ( N = 340 )