Jan ( N = 1140 )

Feb ( N = 1037 )

Mar ( N = 1144 )

Apr ( N = 1110 )

May ( N = 1144 )

Jun ( N = 1101 )

Jul ( N = 850 )

Aug ( N = 1145 )

Sep ( N = 1105 )

Oct ( N = 1147 )

Nov ( N = 1110 )

Dec ( N = 1147 )