| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.24/5 | 3.88/5 |
| Vol 2 | 3.35/5 | 4.14/5 |
| Vol 3 | 3.45/5 | 4.28/5 |
| Vol 4 | 3.47/5 | 4.29/5 |
| Vol 5 | 3.59/5 | 4.40/5 |
| Vol 6 | 3.44/5 | 4.23/5 |
| Vol 7 | 3.39/5 | 4.20/5 |
| Vol 8 | 3.71/5 | 4.47/5 |
| Vol 9 | 3.52/5 | 4.39/5 |
| Vol 10 | 3.62/5 | 4.39/5 |
| Vol 11 | 3.71/5 | 4.49/5 |
| Vol 12 | 3.72/5 | 4.50/5 |
| Vol 13 | 3.74/5 | 4.50/5 |
| Vol 14 | 3.70/5 | 4.49/5 |
| Vol 15 | 3.85/5 | 4.55/5 |
| Vol 16 | 3.85/5 | 4.55/5 |
| Overall | 3.58/5 | 4.55/5 |