| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.67/5 | 4.31/5 |
| Vol 2 | 2.63/5 | 4.25/5 |
| Vol 3 | 2.78/5 | 4.35/5 |
| Vol 4 | 3.85/5 | 4.43/5 |
| Vol 5 | 3.82/5 | 4.42/5 |
| Vol 6 | 2.96/5 | 4.28/5 |
| Vol 7 | 2.82/5 | 4.37/5 |
| Vol 8 | 3.46/5 | 4.40/5 |
| Vol 9 | 3.63/5 | 4.40/5 |
| Vol 10 | 3.18/5 | 4.37/5 |
| Vol 11 | 2.76/5 | 4.32/5 |
| Vol 12 | 3.20/5 | 4.34/5 |
| Vol 13 | 2.80/5 | 4.33/5 |
| Vol 14 | 3.57/5 | 4.40/5 |
| Vol 15 | 3.86/5 | 4.44/5 |
| Vol 16 | 2.65/5 | 4.28/5 |
| Vol 17 | 3.95/5 | 4.47/5 |
| Overall | 3.21/5 | 4.47/5 |