Jan ( N = 89 )

Feb ( N = 80 )

Mar ( N = 237 )

Apr ( N = 235 )

May ( N = 224 )

Jun ( N = 180 )

Jul ( N = 186 )

Aug ( N = 188 )

Sep ( N = 221 )

Oct ( N = 233 )

Nov ( N = 154 )

Dec ( N = 244 )