18 ppm(3) 20 ppm(6) 22 ppm(4) 23 ppm(3) 24 ppm(2) 25 ppm(7) 28 ppm(3) 29 ppm(14) 30 ppm(4) 32 ppm(16) 33 ppm(7) 34 ppm(13) 35 ppm(8) 36 ppm(7) 37 ppm(3) 38 ppm(9) 39 ppm(1) 40 ppm(33) 41 ppm(1) 42 ppm(1) 43 ppm(7) 44 ppm(3) 45 ppm(15) 47 ppm(6) 48 ppm(7) 50 ppm(5) 52 ppm(3) 55 ppm(2) 60 ppm(2) 62 ppm(1) 63 ppm(1) 65 ppm(3) 66 ppm(3) 70 ppm(1)