Jan ( N = 290 )

Feb ( N = 247 )

Mar ( N = 203 )

Apr ( N = 246 )

May ( N = 238 )

Jun ( N = 308 )

Jul ( N = 396 )

Aug ( N = 539 )

Sep ( N = 615 )

Oct ( N = 351 )

Nov ( N = 165 )

Dec ( N = 190 )