Jan ( N = 133 )

Mar ( N = 682 )

Apr ( N = 1170 )

May ( N = 1209 )

Jun ( N = 1170 )

Jul ( N = 1175 )

Aug ( N = 1193 )

Sep ( N = 1171 )

Oct ( N = 1210 )

Nov ( N = 1170 )

Dec ( N = 1210 )