| Variable | Augmented Dickey-Fuller test statistic | Test type (c, t, n) | 1% level | 5% level | 10% level | Durbin-Watson stat | Whether or not stable |
| IP | 1.301231 | (0, 0, 5) | −2.621185 | −1.948886 | −1.611932 | 2.005376 | no |
| LNIS | −1.129899 | (c, 0, 3) | −3.588509 | −2.929734 | −2.603064 | 1.931758 | no |
| LNFR | 1.095050 | (0, 0, 3) | −2.618579 | −1.948495 | −1.612135 | 2.037972 | no |
| LNER | −1.553380 | (c, t, 9) | −4.219126 | −3.533083 | −3.198312 | 2.125748 | no |
| LNRI | −3.065175 | (c, t, 2) | −4.175640 | −3.513075 | −3.186854 | 2.142473 | no |
| LNFB | −0.338867 | (c, 0, 5) | −3.592462 | −2.931404 | −2.603944 | 2.088039 | no |
| LNFA | −2.171445 | (c, t, 3) | −4.180911 | −3.515523 | −3.188259 | 1.965846 | no |
| LNFV | 0.861664 | (0, 0, 3) | −2.618579 | −1.948495 | −1.612135 | 1.933953 | no |
| LNP1 | −1.410631 | (c, t, 1) | −4.170583 | −3.510740 | −3.185512 | 1.867541 | no |
| LNV1 | 0.625995 | (0, 0, 0) | −2.615093 | −1.947975 | −1.612408 | 2.178977 | no |
| LNI1 | −3.750860 | (c, t, 0) | −4.165756 | −3.508508 | −3.184230 | 1.758331 | no* |
| LNP2 | −1.865725 | (c, t, 1) | −4.180911 | −3.515523 | −3.188259 | 1.885415 | no |
| LNV2 | −2.282484 | (c, 0, 1) | −3.588509 | −2.929734 | −2.603064 | 1.966756 | no |
| LNI2 | −0.506949 | (0, 0, 0) | −2.617364 | −1.948313 | −1.612229 | 2.094102 | no |
| LNP3 | −1.459129 | (c, 0, 0) | −3.610453 | −2.938987 | −2.607932 | 2.027546 | no |
| LNV3 | −0.338613 | (0, 0, 2) | −2.628961 | −1.950117 | −1.611339 | 1.876918 | no |
| LNI3 | 0.247493 | (0, 0, 2) | −2.628961 | −1.950117 | −1.611339 | 2.011296 | no |
| ΔIP | −5.611883 | (0, 0, 4) | −2.621185 | −1.948886 | −1.611932 | 1.983592 | Yes |
| ΔLNIS | −6.204488 | (0, 0, 2) | −2.618579 | −1.948495 | −1.612135 | 1.910010 | Yes |
| ΔLNFR | −5.859274 | (0, 0, 1) | −2.617364 | −1.948313 | −1.612229 | 2.090766 | Yes |
| ΔLNER | −4.988928 | (c, 0, 7) | −3.610453 | −2.938987 | −2.607932 | 1.973024 | Yes |
| ΔLNRI | −2.174348 | (0, 0, 5) | −2.622585 | −1.949097 | −1.611824 | 2.058566 | Yes* |
| ΔLNFB | −5.365308 | (0, 0, 3) | −2.619851 | −1.948686 | −1.612036 | 2.068588 | Yes |
| ΔLNFA | −4.536635 | (c, t, 2) | −4.180911 | −3.515523 | −3.188259 | 1.978200 | Yes |
| ΔLNFV | −8.528261 | (c, 0, 3) | −3.588509 | −2.929734 | −2.603064 | 1.934061 | Yes |
| ΔLNP1 | −4.887063 | (0, 0, 0) | −4.170583 | −3.510740 | −3.185512 | 1.869802 | Yes |
| ΔLNV1 | −7.432871 | (0, 0, 0) | −2.616203 | −1.948140 | −1.612320 | 1.937232 | Yes |
| ΔLNI1 | −6.465878 | (c, 0, 0) | −3.581152 | −2.926622 | −2.601424 | 2.119644 | Yes |
| ΔLNP2 | −5.554892 | (c, t, 0) | −4.180911 | −3.515523 | −3.188259 | 1.907764 | Yes |
| ΔLNV2 | −9.318834 | (0, 0, 0) | −2.618579 | −1.948495 | −1.612135 | 2.048816 | Yes |
| ΔLNI2 | −6.878832 | (0, 0, 0) | −2.618579 | −1.948495 | −1.612135 | 2.007777 | Yes |
| ΔLNP3 | −6.611139 | (c, t, 0) | −4.219126 | −3.533083 | −3.198312 | 1.877074 | Yes |
| ΔLNV3 | −8.784010 | (c, t, 1) | −4.226815 | −3.536601 | −3.200320 | 1.900843 | Yes |
| Δ LNI3 | −5.863534 | (0, 0, 1) | −2.628961 | −1.950117 | −1.611339 | 2.009563 | Yes |