18 ppm(3) 20 ppm(1) 24 ppm(2) 29 ppm(2) 30 ppm(1) 32 ppm(2) 34 ppm(1) 35 ppm(5) 37 ppm(1) 38 ppm(2) 40 ppm(9) 41 ppm(1) 44 ppm(1) 45 ppm(12) 47 ppm(3) 48 ppm(3) 55 ppm(2) 60 ppm(2) 62 ppm(1) 65 ppm(3) 66 ppm(3) 70 ppm(1)