Jan ( N = 399 )

Feb ( N = 383 )

Mar ( N = 418 )

Apr ( N = 417 )

May ( N = 430 )

Jun ( N = 415 )

Jul ( N = 431 )

Aug ( N = 425 )

Sep ( N = 417 )

Oct ( N = 433 )

Nov ( N = 379 )

Dec ( N = 404 )