Jan ( N = 1167 )

Feb ( N = 1060 )

Mar ( N = 1175 )

Apr ( N = 1140 )

May ( N = 979 )

Jun ( N = 1131 )

Jul ( N = 1158 )

Aug ( N = 1177 )

Sep ( N = 1140 )

Oct ( N = 1178 )

Nov ( N = 1140 )

Dec ( N = 1171 )