Jan ( N = 87 )

Feb ( N = 282 )

Mar ( N = 325 )

Apr ( N = 349 )

May ( N = 342 )

Jun ( N = 392 )

Jul ( N = 402 )

Aug ( N = 363 )

Sep ( N = 371 )

Oct ( N = 158 )

Nov ( N = 217 )

Dec ( N = 239 )