| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.13/5 | 4.32/5 |
| Vol 2 | 2.67/5 | 4.46/5 |
| Vol 3 | 2.48/5 | 4.35/5 |
| Vol 4 | 2.62/5 | 4.56/5 |
| Vol 5 | 2.53/5 | 4.29/5 |
| Vol 6 | 2.46/5 | 4.56/5 |
| Vol 7 | 2.49/5 | 4.43/5 |
| Vol 8 | 2.70/5 | 4.41/5 |
| Vol 9 | 2.80/5 | 4.50/5 |
| Vol 10 | 2.72/5 | 4.54/5 |
| Vol 11 | 2.63/5 | 4.61/5 |
| Vol 12 | 2.72/5 | 4.43/5 |
| Vol 13 | 2.81/5 | 4.61/5 |
| Overall | 2.61/5 | 4.61/5 |