Jan ( N = 263 )

Feb ( N = 335 )

Mar ( N = 507 )

Apr ( N = 629 )

May ( N = 713 )

Jun ( N = 648 )

Jul ( N = 715 )

Aug ( N = 642 )

Sep ( N = 583 )

Oct ( N = 259 )

Nov ( N = 337 )

Dec ( N = 183 )