Range 0-18 Range 0-3 Range 0-6 Range 0-3 Range 0-50 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-30 Range 0-5 Range 0-5 Linear Slow increase at slow speed Fast increase at slow speed MRC