Jan ( N = 82 )

Feb ( N = 88 )

Mar ( N = 239 )

Apr ( N = 169 )

May ( N = 232 )

Jun ( N = 197 )

Jul ( N = 225 )

Aug ( N = 209 )

Sep ( N = 230 )

Oct ( N = 231 )

Nov ( N = 236 )

Dec ( N = 248 )