Jan ( N = 89 )

Feb ( N = 61 )

Mar ( N = 232 )

Apr ( N = 179 )

May ( N = 136 )

Jun ( N = 140 )

Jul ( N = 116 )

Aug ( N = 79 )

Sep ( N = 219 )

Oct ( N = 234 )

Nov ( N = 234 )

Dec ( N = 247 )