Jan ( N = 403 )

Feb ( N = 376 )

Mar ( N = 403 )

Apr ( N = 390 )

May ( N = 396 )

Jun ( N = 388 )

Jul ( N = 403 )

Aug ( N = 403 )

Sep ( N = 389 )

Oct ( N = 401 )

Nov ( N = 383 )

Dec ( N = 403 )