| Zone | Initial value | Lower bound | Upper bound | Estimated value |
| 1 | 0.000050 | 0.000005 | 0.000200 | 0.000030 |
| 2 | 0.000050 | 0.000005 | 0.000200 | 0.000200 |
| 3 | 0.000050 | 0.000005 | 0.000200 | 0.000133 |
| 4 | 0.000050 | 0.000005 | 0.000200 | 0.000111 |
| 5 | 0.000050 | 0.000005 | 0.000200 | 0.000169 |
| 6 | 0.000050 | 0.000005 | 0.000200 | 0.000200 |
| 7 | 0.000050 | 0.000005 | 0.000200 | 0.000071 |