Jan ( N = 1056 )

Feb ( N = 1101 )

Mar ( N = 1166 )

Apr ( N = 1102 )

May ( N = 1163 )

Jun ( N = 1118 )

Jul ( N = 684 )

Aug ( N = 971 )

Sep ( N = 1138 )

Oct ( N = 1172 )

Nov ( N = 1138 )

Dec ( N = 1175 )