Jan ( N = 1057 )

Feb ( N = 994 )

Mar ( N = 1036 )

Apr ( N = 1108 )

May ( N = 1142 )

Jun ( N = 1110 )

Jul ( N = 1146 )

Aug ( N = 1143 )

Sep ( N = 1080 )

Oct ( N = 1110 )

Nov ( N = 1093 )

Dec ( N = 1153 )