16.8  2.5 19.0 2.5 
19.2  4.2 21.5 4.4 
20.2  5.3 21.1 5.3 
21.7  5.8 25.0 6.4 
23.2  7.2 27.6 7.2 
26.5  8.9 26.3 7.8
28.0 10.0 28.2 9.2