Jan ( N = 312 )

Feb ( N = 304 )

Mar ( N = 342 )

Apr ( N = 416 )

May ( N = 408 )

Jun ( N = 311 )

Jul ( N = 472 )

Aug ( N = 446 )

Sep ( N = 367 )

Oct ( N = 323 )

Nov ( N = 312 )

Dec ( N = 283 )