| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.86/5 | 4.56/5 |
| Vol 2 | 2.86/5 | 4.55/5 |
| Vol 3 | 2.99/5 | 4.62/5 |
| Vol 4 | 2.93/5 | 4.48/5 |
| Vol 5 | 3.04/5 | 4.63/5 |
| Vol 6 | 3.00/5 | 4.51/5 |
| Vol 7 | 2.69/5 | 4.39/5 |
| Vol 8 | 3.14/5 | 4.63/5 |
| Vol 9 | 2.73/5 | 4.30/5 |
| Vol 10 | 2.70/5 | 4.28/5 |
| Vol 11 | 2.78/5 | 4.49/5 |
| Vol 12 | 2.56/5 | 4.49/5 |
| Vol 13 | 2.82/5 | 4.49/5 |
| Vol 14 | 2.58/5 | 4.48/5 |
| Vol 15 | 2.95/5 | 4.56/5 |
| Overall | 2.86/5 | 4.63/5 |