5.0 years old

5.5 years old

6.0 years old

6.5 years old

Total

Barefoot group

Boys

32

33

40

20

125

Girls

41

32

34

25

132

Sum

73

65

74

45

257

Non-barefoot group

Boys

42

41

47

27

157

Girls

45

45

42

27

159

Sum

87

86

89

54

316