| Variables | Mean | Std. Dev. | Min | Max | Obs. |
| EP | 0.15 | 0.26 | 0.00 | 0.86 | 270 |
| BZ | 8.59 | 2.11 | 4.00 | 14.00 | 270 |
| BI | 72.68 | 12.18 | 16.67 | 114.00 | 270 |
| GD | 10.43 | 11.87 | 0.00 | 60.00 | 270 |
| MO | 5.47 | 11.62 | 0.00 | 48.56 | 270 |
| IO | 71.10 | 14.24 | 0.00 | 91.00 | 270 |
| FA | 36.26 | 20.85 | 9.00 | 75.00 | 270 |