| Element | Ly Son | Phu Quy |
| Population | ||
| Tau | 0.993 | 1.000 |
| S | 135.000 | 91 |
| z | 5.525 | 4.927 |
| p | 0.000 | 0.000 |
| y | 180.2 × X − 0.34099E+06 | 361.8 × X − 0.70123E+06 |
| Labor in all sectors | ||
| Tau | 1.000 | 1.000 |
| S | 36.000 | 21.000 |
| z | 3.649 | 3.004 |
| p | 0.0003 | 0.0027 |
| y | 61.88 × X – 0.11098E+06 | 629.8 × X – 0.12518E+07 |