| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.82/5 | 4.33/5 |
| Vol 2 | 2.96/5 | 4.48/5 |
| Vol 3 | 2.90/5 | 4.38/5 |
| Vol 4 | 2.84/5 | 4.30/5 |
| Vol 5 | 3.32/5 | 4.46/5 |
| Vol 6 | 3.24/5 | 4.49/5 |
| Vol 7 | 3.46/5 | 4.52/5 |
| Vol 8 | 3.68/5 | 4.56/5 |
| Vol 9 | 3.06/5 | 4.49/5 |
| Vol 10 | 3.23/5 | 4.41/5 |
| Vol 11 | 2.95/5 | 4.39/5 |
| Vol 12 | 2.76/5 | 4.43/5 |
| Vol 13 | 3.13/5 | 4.45/5 |
| Vol 14 | 3.42/5 | 4.53/5 |
| Vol 15 | 3.33/5 | 4.45/5 |
| Vol 16 | 3.72/5 | 4.56/5 |
| Vol 17 | 3.32/5 | 4.46/5 |
| Overall | 3.16/5 | 4.56/5 |