Ratio

Avg

2010

2011

2012

2013

Return on Capital Employed (ROCE)

6.93

3.17

14.34

11.70

0.55

Return on Equity (ROE)

49.5

19.94

43.15

56.83

5.08

Return on Asset (ROA)

6.34

3.08

12.08

10.90

0.51

Net Operating Profit Margin (NOPM)

42.60

50.86

60.95

51.27

2.33

Operating Self Sufficiency (OSS)

53

94

166

114

45