Jan ( N = 90 )

Feb ( N = 79 )

Mar ( N = 239 )

Apr ( N = 236 )

May ( N = 237 )

Jun ( N = 185 )

Jul ( N = 190 )

Aug ( N = 193 )

Sep ( N = 222 )

Oct ( N = 232 )

Nov ( N = 161 )

Dec ( N = 247 )