Jan ( N = 62 )

Feb ( N = 241 )

Mar ( N = 275 )

Apr ( N = 259 )

May ( N = 264 )

Jun ( N = 251 )

Jul ( N = 264 )

Aug ( N = 268 )

Sep ( N = 265 )

Oct ( N = 174 )

Nov ( N = 52 )

Dec ( N = 267 )