| Variable | Statistic | Result |
| X | ?16.4* | Stationary |
| ER | 46.2 | No stationary |
| INF | ?10.2* | Stationary |
| COM | ?1.93** | Stationary |
| INV | ?2.2** | Stationary |
| FU | ?5.77* | Stationary |
| EL | 4.9 | No stationary |
| G | ?3.99*** | Stationary |
| RD | ?2.47* | Stationary |
| UDIP | ?5.39* | Stationary |
| DIP | ?8.8* | Stationary |
| SE | ?7.78* | Stationary |
| TC | ?5.33* | Stationary |
| BA | ?2.39* | Stationary |
| MA | ?3.02* | Stationary |
| PHD | NA | But stationary by (ADF-PP) Fisher chi-square |
| HE | ?2.81* | Stationary |