Jan ( N = 632 )

Feb ( N = 691 )

Mar ( N = 1030 )

Apr ( N = 1063 )

May ( N = 1178 )

Jun ( N = 1131 )

Jul ( N = 501 )

Aug ( N = 1172 )

Sep ( N = 1097 )

Oct ( N = 1165 )

Nov ( N = 1140 )

Dec ( N = 1133 )