Jan ( N = 2347 )

Feb ( N = 2153 )

Mar ( N = 2309 )

Apr ( N = 2280 )

May ( N = 2355 )

Jun ( N = 2265 )

Jul ( N = 2345 )

Aug ( N = 2350 )

Sep ( N = 2280 )

Oct ( N = 2356 )

Nov ( N = 2031 )

Dec ( N = 2349 )