Jan ( N = 2355 )

Feb ( N = 2015 )

Mar ( N = 2102 )

Apr ( N = 1570 )

May ( N = 1687 )

Jun ( N = 879 )

Jul ( N = 1750 )

Aug ( N = 2177 )

Sep ( N = 2059 )

Oct ( N = 2051 )

Nov ( N = 2306 )

Dec ( N = 2302 )