Jan ( N = 1135 )

Feb ( N = 1304 )

Mar ( N = 1640 )

Apr ( N = 1803 )

May ( N = 1998 )

Jun ( N = 1773 )

Jul ( N = 2013 )

Aug ( N = 1863 )

Sep ( N = 1407 )

Oct ( N = 855 )

Nov ( N = 510 )

Dec ( N = 557 )