Jan ( N = 94 )

Feb ( N = 80 )

Mar ( N = 232 )

Apr ( N = 233 )

May ( N = 232 )

Jun ( N = 180 )

Jul ( N = 194 )

Aug ( N = 191 )

Sep ( N = 221 )

Oct ( N = 230 )

Nov ( N = 157 )

Dec ( N = 244 )