7,5 ppm (3) 7,7 ppm (1) 8 ppm (1) 8,5 ppm (3) 8,8 ppm (2) 9,5 ppm (1) 10 ppm (8) 11 ppm (3) 12 ppm (2) 14 ppm (1) 15 ppm (13) 16 ppm (2) 17 ppm (5) 18 ppm (12) 19 ppm (1) 20 ppm (16) 21 ppm (9) 22 ppm (14) 24 ppm (5) 25 ppm (4) 26 ppm (6) 27 ppm (5) 28 ppm (2) 29 ppm (10) 30 ppm (10) 31 ppm (9) 32 ppm (24) 33 ppm (32) 34 ppm (8) 36 ppm (2) 37 ppm (2) 38 ppm (2) 39 ppm (2) 40 ppm (16) 48 ppm (8) 50 ppm (7) 61 ppm (2) 71 ppm (2)