Jan ( N = 1156 )

Feb ( N = 1060 )

Mar ( N = 1170 )

Apr ( N = 1129 )

May ( N = 1168 )

Jun ( N = 1100 )

Jul ( N = 1156 )

Aug ( N = 1173 )

Sep ( N = 1137 )

Oct ( N = 1176 )

Nov ( N = 1140 )

Dec ( N = 1171 )