Jan ( N = 1096 )

Feb ( N = 988 )

Mar ( N = 1104 )

Apr ( N = 1059 )

May ( N = 1140 )

Jun ( N = 1087 )

Jul ( N = 1156 )

Aug ( N = 1071 )

Sep ( N = 1145 )

Oct ( N = 1176 )

Nov ( N = 1140 )

Dec ( N = 1148 )