Jan ( N = 89 )

Feb ( N = 79 )

Mar ( N = 237 )

Apr ( N = 235 )

May ( N = 225 )

Jun ( N = 179 )

Jul ( N = 186 )

Aug ( N = 184 )

Sep ( N = 218 )

Oct ( N = 232 )

Nov ( N = 153 )

Dec ( N = 240 )