Jan ( N = 413 )

Feb ( N = 406 )

Mar ( N = 433 )

Apr ( N = 393 )

May ( N = 403 )

Jun ( N = 415 )

Jul ( N = 417 )

Aug ( N = 426 )

Sep ( N = 415 )

Oct ( N = 415 )

Nov ( N = 417 )

Dec ( N = 425 )