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
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