Jan ( N = 1793 )

Feb ( N = 1872 )

Mar ( N = 2105 )

Apr ( N = 2130 )

May ( N = 2214 )

Jun ( N = 2280 )

Jul ( N = 2290 )

Aug ( N = 2350 )

Sep ( N = 2006 )

Oct ( N = 2072 )

Nov ( N = 1884 )

Dec ( N = 2027 )