HIGH: A++ or A+

Q4: A or A-

Q3: B

Q2: C

LOW: C-

H-L

IO (%)

31.368

19.103

12.859

10.254

9.461

21.907

(11.32)^***

TW50

0.400

0.134

0.030

0.012

0.006

0.394

(9.90)^***