19

20

21

22

23

24

25

26

27

28

Total

Mean

standard deviation

variable coefficient

logistics + 2

−0.15

6.70

17.55

1.64

32.87

4.77

0.85

52.16

12.99

−0.85

178.54

17.85

21.94

1.23

logistics + 1

11.03

−1.01

56.58

23.10

3.06

27.36

10.45

2.28

−1.49

52.83

184.19

18.42

21.42

1.16

Begin

55.26

11.55

−1.72

57.02

22.52

4.64

25.60

10.30

3.65

−1.57

187.25

18.73

21.71

1.16