Feb ( N = 310 )

Mar ( N = 295 )

Apr ( N = 952 )

May ( N = 1104 )

Jun ( N = 1069 )

Jul ( N = 1055 )

Aug ( N = 916 )

Sep ( N = 1061 )

Oct ( N = 1063 )

Nov ( N = 1084 )

Dec ( N = 915 )