| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 1.42/5 | 4.17/5 |
| Vol 2 | 1.63/5 | 4.39/5 |
| Vol 3 | 1.32/5 | 3.40/5 |
| Vol 4 | 1.57/5 | 4.06/5 |
| Vol 5 | 1.65/5 | 4.30/5 |
| Vol 6 | 1.65/5 | 4.23/5 |
| Vol 7 | 1.82/5 | 4.35/5 |
| Vol 8 | 1.67/5 | 4.27/5 |
| Vol 9 | 1.66/5 | 4.27/5 |
| Vol 10 | 1.82/5 | 4.32/5 |
| Vol 11 | 1.97/5 | 4.45/5 |
| Vol 12 | 1.96/5 | 4.36/5 |
| Vol 13 | 1.91/5 | 4.36/5 |
| Vol 14 | 1.85/5 | 4.38/5 |
| Vol 15 | 1.92/5 | 4.41/5 |
| Vol 16 | 1.88/5 | 4.44/5 |
| Overall | 1.73/5 | 4.45/5 |