Feb ( N = 532 )

Mar ( N = 1130 )

Apr ( N = 1164 )

May ( N = 980 )

Jun ( N = 709 )

Jul ( N = 1144 )

Aug ( N = 1052 )

Sep ( N = 1074 )

Oct ( N = 1066 )

Nov ( N = 1108 )

Dec ( N = 1169 )