| Scores range | Observed | Expected | ||
| Good | Bad | Good | Bad | |
| 10 | 372 | 11 | 173.86 | 209.14 |
| 9 | 363 | 8 | 162.82 | 208.18 |
| 8 | 356 | 13 | 158.13 | 210.88 |
| 7 | 334 | 16 | 146.82 | 203.18 |
| 6 | 365 | 14 | 155.9 | 223.1 |
| 5 | 348 | 15 | 145.93 | 217.07 |
| 4 | 359 | 16 | 146.95 | 228.05 |
| 3 | 348 | 13 | 136.82 | 224.18 |
| 2 | 331 | 28 | 129.48 | 229.52 |
| 1 | 323 | 38 | 113.94 | 247.06 |