Jan ( N = 252 )

Feb ( N = 672 )

Mar ( N = 868 )

Apr ( N = 840 )

May ( N = 866 )

Jun ( N = 840 )

Jul ( N = 868 )

Aug ( N = 813 )

Sep ( N = 1156 )

Oct ( N = 1208 )

Nov ( N = 849 )

Dec ( N = 775 )