Jan ( N = 1301 )

Feb ( N = 1175 )

Mar ( N = 1301 )

Apr ( N = 1257 )

May ( N = 1302 )

Jun ( N = 1250 )

Jul ( N = 1302 )

Aug ( N = 1300 )

Sep ( N = 1260 )

Oct ( N = 1296 )

Nov ( N = 1255 )

Dec ( N = 1300 )