Jan ( N = 205 )

Feb ( N = 583 )

Mar ( N = 1047 )

Apr ( N = 1064 )

May ( N = 1055 )

Jun ( N = 1071 )

Jul ( N = 1066 )

Aug ( N = 1008 )

Sep ( N = 1025 )

Oct ( N = 1072 )

Nov ( N = 1083 )

Dec ( N = 1121 )