Jan ( N = 1017 )

Feb ( N = 963 )

Mar ( N = 1029 )

Apr ( N = 944 )

May ( N = 1051 )

Jun ( N = 1012 )

Jul ( N = 1050 )

Aug ( N = 1050 )

Sep ( N = 1019 )

Oct ( N = 1052 )

Nov ( N = 1019 )

Dec ( N = 1015 )