| variable | average | Minimum | Maximum | count |
| lnEN | 9.303 | 6.963 | 10.569 | 300 |
| lnEQ | −1.160 | −1.989 | −0.643 | 300 |
| lnCT1 | −6.175 | −10.403 | −3.707 | 300 |
| lnCT2 | −1.693 | −3.174 | −0.964 | 300 |
| lnED | 0.046 | −0.643 | 1.088 | 300 |
| lnpgdp | 10.469 | 8.972 | 11.680 | 300 |
| lnurban | −0.654 | −1.264 | −0.110 | 300 |
| lnis | −0.099 | −0.699 | 1.427 | 300 |
| lnfdi | −4.095 | −7.860 | −2.502 | 300 |
| lnopen | −1.693 | −3.437 | 0.579 | 300 |
| Lnch | 9.334 | 5.403 | 12.506 | 300 |
| lnkl | 2.415 | 1.040 | 3.885 | 300 |