| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.75/5 | 4.26/5 |
| Vol 2 | 2.89/5 | 4.41/5 |
| Vol 3 | 2.83/5 | 4.31/5 |
| Vol 4 | 2.77/5 | 4.23/5 |
| Vol 5 | 3.25/5 | 4.39/5 |
| Vol 6 | 3.17/5 | 4.42/5 |
| Vol 7 | 3.39/5 | 4.45/5 |
| Vol 8 | 3.61/5 | 4.49/5 |
| Vol 9 | 2.99/5 | 4.42/5 |
| Vol 10 | 3.16/5 | 4.34/5 |
| Vol 11 | 2.88/5 | 4.32/5 |
| Vol 12 | 2.69/5 | 4.36/5 |
| Vol 13 | 3.06/5 | 4.38/5 |
| Vol 14 | 3.35/5 | 4.46/5 |
| Vol 15 | 3.26/5 | 4.38/5 |
| Vol 16 | 3.65/5 | 4.49/5 |
| Vol 17 | 3.25/5 | 4.39/5 |
| Overall | 3.09/5 | 4.49/5 |