Jan ( N = 347 )

Feb ( N = 345 )

Mar ( N = 377 )

Apr ( N = 417 )

May ( N = 434 )

Jun ( N = 417 )

Jul ( N = 429 )

Aug ( N = 433 )

Sep ( N = 412 )

Oct ( N = 333 )

Nov ( N = 306 )

Dec ( N = 339 )