Jan ( N = 583 )

Feb ( N = 2230 )

Mar ( N = 2384 )

Apr ( N = 2190 )

May ( N = 2263 )

Jun ( N = 2215 )

Jul ( N = 1947 )

Aug ( N = 1925 )

Sep ( N = 2078 )

Oct ( N = 2381 )

Nov ( N = 2295 )

Dec ( N = 2254 )