Jan ( N = 228 )

Feb ( N = 211 )

Mar ( N = 215 )

Apr ( N = 388 )

May ( N = 421 )

Jun ( N = 389 )

Jul ( N = 377 )

Aug ( N = 362 )

Sep ( N = 327 )

Oct ( N = 322 )

Nov ( N = 300 )

Dec ( N = 280 )