Jan ( N = 2370 )

Feb ( N = 1271 )

Mar ( N = 2306 )

Apr ( N = 2099 )

May ( N = 1717 )

Jun ( N = 1183 )

Jul ( N = 2370 )

Aug ( N = 1907 )

Sep ( N = 2177 )

Oct ( N = 2357 )

Nov ( N = 1924 )

Dec ( N = 2178 )