| Statistic | CRPI | TEMP | RAIN | CARBE | LAEI | EAPA | AGMT | GCF | CO2E |
| ADF test statistic | −2.912 | −3.900 | −4.800 | −3.334 | −4.722 | −3.812 | −5.001 | −3.350 | −3.211 |
| 1% | −2701 | −3.696 | −4.001 | −2.911 | −3.711 | −3.200 | −3.500 | −3.702 | −3.113 |
| 5% | −2.811 | −2.978 | −3.500 | −3.001 | −3.622 | −3.110 | −4.110 | −2.980 | −3.201 |
| 10% | −2.900 | −2.620 | −4.102 | −3.101 | −3.211 | −3.602 | −3.020 | −2.662 | −3.08 |
| p-value | 0.00121 | 0.0020 | 0.0124 | 0.0101 | 0.0049 | 0.0003 | 0.0010 | 0.0128 | 0.0420 |
| Order of integration | I (1) | I (1) | I (1) | I (1) | I (1) | I (1) | I (1) | I (1) | I (1) |