Reurn on Sales (%)

2009

Cumulative Percentage

2010

Cumulative Percentage

2011

Cumulative Percentage

2012

Cumulative Percentage

2013

Cumulative Percentage

<0

76

16.964286

64

14.190687

90

19.736842

77

15.49295775

77

16.70282

0 - 10

133

46.651786

107

37.915743

148

52.192982

144

44.4668008

144

47.939262

10 - 20

116

72.544643

121

64.745011

101

74.342105

115

68.41046278

119

73.752711

20 - 30

55

84.821429

62

78.492239

46

84.429825

43

77.06237425

43

83.08026

30 - 50

29

91.294643

46

88.691796

27

90.350877

44

84.30583501

36

90.889371

50 - 100

12

93.973214

40

97.560976

35

98.026316

26

91.34808853

35

98.481562

>100

27

100

11

100

9

100

4

92.75653924

7

100

Total

448

451

456

453

461