Variables | Obs. | Mean | Std. Dev. | Min | Max |
| 451 | 7.4906 | 2.0670 | 1.6094 | 11.6953 |
| 451 | 6.9661 | 2.3395 | 0.4942 | 12.1508 |
| 451 | 13.2867 | 2.2336 | 2.0370 | 19.4819 |
| 451 | 0.3237 | 0.4684 | 0.0000 | 1.0000 |
| 451 | 0.0976 | 0.2970 | 0.0000 | 1.0000 |
| 451 | 0.4225 | 0.1956 | 0.0024 | 0.9979 |