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 |