Jan ( N = 1017 )

Feb ( N = 985 )

Mar ( N = 1020 )

Apr ( N = 1018 )

May ( N = 1043 )

Jun ( N = 1016 )

Jul ( N = 937 )

Aug ( N = 1018 )

Sep ( N = 991 )

Oct ( N = 1050 )

Nov ( N = 1001 )

Dec ( N = 1053 )