Jan ( N = 2252 )

Feb ( N = 2003 )

Mar ( N = 2187 )

Apr ( N = 1632 )

May ( N = 2230 )

Jun ( N = 1900 )

Jul ( N = 2230 )

Aug ( N = 2243 )

Sep ( N = 2159 )

Oct ( N = 2223 )

Nov ( N = 2159 )

Dec ( N = 2237 )