1, 0 - 1, 5 1, 6 – 2, 0 2, 1 – 3, 0 3, 1 – 4, 0 4, 1 – 6, 0 6, 1 – 7, 5
1.0 - 1.5 1.6 – 2.0 2.1 – 3.0 3.1 – 4.0 4.1 – 6.0 6.1 – 7.5 7.6 – 10.0 10.1 – 15.0 15.1 – 20.0 20.1 – 30.0 30.1 – 40.0 40.1 – 60.0