Jan ( N = 1028 )

Feb ( N = 945 )

Mar ( N = 1053 )

Apr ( N = 1013 )

May ( N = 988 )

Jun ( N = 858 )

Jul ( N = 928 )

Aug ( N = 928 )

Sep ( N = 952 )

Oct ( N = 876 )

Nov ( N = 950 )

Dec ( N = 1052 )