| Bid (1000 VND) | “Yes” | “No” | ||
| No. | Percent (%) | No. | Percent (%) | |
| 150 | 187 | 89.05 | 23 | 10.95 |
| 325 | 164 | 73.21 | 60 | 26.79 |
| 500 | 131 | 65.83 | 68 | 34.17 |
| 675 | 105 | 60.34 | 69 | 39.66 |
| 850 | 60 | 31.09 | 133 | 69.91 |
| Total | 647 | 64.7 | 353 | 35.3 |