Project

2009

2010

2011

2012

Operating cost margins

0.200619

0.099678

0.242737

0,114444

Operating expenses margins

0.134489

0.116019

0.127339

0.126019

All expenditure gross margins

0.215193

0.221871

0.216469

0.220435

All expenditures net profit margin

0.087626

O.071453

0.077853

0.08602