Jan ( N = 631 )

Feb ( N = 692 )

Mar ( N = 1028 )

Apr ( N = 1064 )

May ( N = 1178 )

Jun ( N = 1131 )

Jul ( N = 500 )

Aug ( N = 1169 )

Sep ( N = 1096 )

Oct ( N = 1172 )

Nov ( N = 1140 )

Dec ( N = 1130 )