Jan ( N = 430 )

Feb ( N = 393 )

Mar ( N = 434 )

Apr ( N = 408 )

May ( N = 434 )

Jun ( N = 381 )

Jul ( N = 313 )

Aug ( N = 432 )

Sep ( N = 418 )

Oct ( N = 434 )

Nov ( N = 413 )

Dec ( N = 434 )