Jan ( N = 270 )

Feb ( N = 621 )

Mar ( N = 851 )

Apr ( N = 1000 )

May ( N = 1185 )

Jun ( N = 972 )

Jul ( N = 620 )

Aug ( N = 922 )

Sep ( N = 1070 )

Oct ( N = 929 )

Nov ( N = 665 )

Dec ( N = 581 )