Jan ( N = 2373 )

Feb ( N = 1270 )

Mar ( N = 2307 )

Apr ( N = 2104 )

May ( N = 1724 )

Jun ( N = 1196 )

Jul ( N = 2379 )

Aug ( N = 1907 )

Sep ( N = 2184 )

Oct ( N = 2377 )

Nov ( N = 1925 )

Dec ( N = 2185 )