Jan ( N = 1958 )

Feb ( N = 2061 )

Mar ( N = 2280 )

Apr ( N = 2283 )

May ( N = 2361 )

Jun ( N = 2299 )

Jul ( N = 2379 )

Aug ( N = 2376 )

Sep ( N = 2296 )

Oct ( N = 2219 )

Nov ( N = 1947 )

Dec ( N = 1646 )