Jan ( N = 357 )

Feb ( N = 128 )

Mar ( N = 1213 )

Apr ( N = 1172 )

May ( N = 1208 )

Jun ( N = 1138 )

Jul ( N = 1152 )

Aug ( N = 1033 )

Sep ( N = 1061 )

Oct ( N = 1209 )

Nov ( N = 1176 )

Dec ( N = 981 )