Jan ( N = 2204 )

Feb ( N = 2120 )

Mar ( N = 2266 )

Apr ( N = 1976 )

May ( N = 2127 )

Jun ( N = 2198 )

Jul ( N = 2164 )

Aug ( N = 2262 )

Sep ( N = 2232 )

Oct ( N = 2225 )

Nov ( N = 2101 )

Dec ( N = 2267 )