Jan ( N = 632 )

Feb ( N = 922 )

Mar ( N = 1015 )

Apr ( N = 982 )

May ( N = 1023 )

Jun ( N = 970 )

Jul ( N = 1013 )

Aug ( N = 1016 )

Sep ( N = 988 )

Oct ( N = 1017 )

Nov ( N = 985 )

Dec ( N = 1021 )