| Item | Group | Statistic | Value |
| TE | east | mean | 0.8785 |
|
|
| s.d. | 0.1322 |
|
| middle | mean | 0.8855 |
|
|
| s.d. | 0.1258 |
|
| west | mean | 0.8115 |
|
|
| s.d. | 0.1492 |
| MTE | east | mean | 0.8559 |
|
|
| s.d. | 0.1238 |
|
| middle | mean | 0.5956 |
|
|
| s.d. | 0.1607 |
|
| west | mean | 0.5864 |
|
|
| s.d. | 0.1237 |
| TGR | east | mean | 0.9757 |
|
|
| s.d. | 0.0223 |
|
| middle | mean | 0.6709 |
|
|
| s.d. | 0.1433 |
|
| west | mean | 0.7268 |
|
|
| s.d. | 0.1005 |
| PTE | east | mean | 0.8660 |
|
|
| s.d. | 0.1310 |
|
| middle | mean | 0.6068 |
|
|
| s.d. | 0.1871 |
|
| west | mean | 0.6329 |
|
|
| s.d. | 0.1359 |