Jan ( N = 1163 )

Feb ( N = 1100 )

Mar ( N = 1178 )

Apr ( N = 1140 )

May ( N = 1169 )

Jun ( N = 1140 )

Jul ( N = 1178 )

Aug ( N = 1178 )

Sep ( N = 1129 )

Oct ( N = 1173 )

Nov ( N = 1134 )

Dec ( N = 1178 )