Average Values

2009

2010

2011

2012

2009 to 2012

Machines and Equipment

62%

61%

52%

53%

57%

Civil Works

18%

22%

27%

23%

23%

Lands

3%

6%

7%

5%

5%

Environmental Costs

1%

1%

3%

2%

2%

Others

16%

9%

11%

17%

13%