Jan ( N = 1028 )

Feb ( N = 780 )

Mar ( N = 834 )

Apr ( N = 1127 )

May ( N = 1204 )

Jun ( N = 1170 )

Jul ( N = 1205 )

Aug ( N = 1192 )

Sep ( N = 1169 )

Oct ( N = 1204 )

Nov ( N = 1158 )

Dec ( N = 1174 )