Feb ( N = 4 )

Mar ( N = 876 )

Apr ( N = 959 )

May ( N = 992 )

Jun ( N = 950 )

Jul ( N = 992 )

Aug ( N = 903 )

Sep ( N = 808 )

Oct ( N = 989 )

Nov ( N = 1117 )

Dec ( N = 1101 )