Jan ( N = 315 )

Feb ( N = 307 )

Mar ( N = 329 )

Apr ( N = 225 )

May ( N = 296 )

Jun ( N = 244 )

Jul ( N = 174 )

Aug ( N = 281 )

Sep ( N = 268 )

Oct ( N = 283 )

Nov ( N = 275 )

Dec ( N = 252 )