Jan ( N = 1141 )

Feb ( N = 958 )

Mar ( N = 1101 )

Apr ( N = 502 )

May ( N = 914 )

Jun ( N = 1140 )

Jul ( N = 1178 )

Aug ( N = 1172 )

Sep ( N = 340 )

Oct ( N = 1178 )

Nov ( N = 1140 )

Dec ( N = 1142 )