rt RI 1 1.54 600 2 1.68 700 3 1.99 800 4 2.7 900 5 4.36 1000 6 6.81 1100 7 9.43 1200 8 11.88 1300 9 14.17 1400 10 16.34 1500 11 18.39 1600 12 20.33 1700 13 22.18 1800 14 23.93 1900 15 25.5 2000 16 27.18 2100 17 28.72 2200 18 30.26 2300 19 31.75 2400 20 33.19 2500 21 34.58 2600 22 35.95 2700