| Measured period | Schedule Performance Index | Cost Performance Index |
|---|---|---|
| 03/2013 | 1.00 | 1.00 |
| 02/2013 | 1.01 | 1.01 |
| 01/2013 | 1.00 | 1.00 |
| 12/2012 | 1.02 | 1.02 |
| 11/2012 | 0.99 | 0.99 |
| 10/2012 | 1.03 | 1.03 |
| 09/2012 | 1.03 | 1.03 |
| 08/2012 | 1.00 | 1.00 |
| 07/2012 | 1.00 | 1.00 |
| 06/2012 | 1.00 | 1.00 |
| 05/2012 | 0.97 | 0.97 |
| 04/2012 | 0.92 | 0.92 |
| 03/2012 | 0.92 | 0.92 |
| 02/2012 | 0.93 | 0.93 |
| 01/2012 | 0.94 | 0.94 |
| 12/2011 | 0.94 | 0.94 |
| 11/2011 | 0.95 | 0.95 |
| 10/2011 | 1.00 | 1.00 |
| 09/2011 | 0.97 | 0.97 |
| 08/2011 | 0.96 | 0.96 |