| 
      
        | 56 | 46 | 42 | 35 | 28 | 21 | 14 | 7 | Day | Group |  
        | 3 ± 0.70 | 3±0.70 | 2.7±0.49 | 2.7±0.49 | 2.7±0.49 | 2.4±0.28 | 2.2±0.14 | 2.1± 0.07 | C |  
        | 3.3 ± 0.49 | 2.7 ± 0.49 | 2.7 ± 0.49 | 2.5 ± 0.35 | 2.5± 0.35 | 2.4 ± 0.28 | 2.2 ± 0.14 | 2.1 ± 0.07 | L1 |  
        | 2.6 ± 0.42 | 2.8 ± 0.56 | 2.8± 0.56 | 2.4 ± 0.28 | 2.6 ± 0.42 | 2.4 ± 0.28 | 2.4 ± 0.28 | 2.2 ± 0.14 | L2 |  
        | 2.8 ± 0.56 | 2.6 ± 0.42 | 2.6 ± 0.42 | 2.6 ± 0.42 | 2.5 ± 0.35 | 2.4 ± 0.28 | 2.4 ± 0.28 | 2.1 ± 0.07 | L3 |  
        | 3.2 ± 0.56 | 2.7 ± 0.49 | 2.6 ± 0.42 | 2.4 ± 0.28 | 2.3 ± 0.21 | 2.1 ± 0.07 | 2.1± 0.07 | 2 ± 0 | L4 |  |