| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 1.70/5 | 3.07/5 |
| Vol 2 | 1.60/5 | 3.43/5 |
| Vol 3 | 0.92/5 | 2.73/5 |
| Vol 4 | 1.53/5 | 3.08/5 |
| Vol 5 | 1.46/5 | 2.91/5 |
| Vol 6 | 1.40/5 | 3.39/5 |
| Vol 7 | 0.93/5 | 3.16/5 |
| Vol 8 | 1.33/5 | 2.84/5 |
| Vol 9 | 1.25/5 | 2.98/5 |
| Vol 10 | 1.71/5 | 3.23/5 |
| Vol 11 | 0.99/5 | 3.26/5 |
| Vol 12 | 0.58/5 | 0.94/5 |
| Vol 13 | 1.06/5 | 3.13/5 |
| Vol 14 | 1.06/5 | 3.49/5 |
| Vol 15 | 0.92/5 | 3.14/5 |
| Vol 16 | 1.14/5 | 3.57/5 |
| Vol 17 | 1.23/5 | 3.27/5 |
| Vol 18 | 1.39/5 | 3.00/5 |
| Overall | 1.23/5 | 3.57/5 |