| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.10/5 | 4.40/5 |
| Vol 2 | 3.13/5 | 4.38/5 |
| Vol 3 | 3.15/5 | 4.32/5 |
| Vol 4 | 3.16/5 | 4.39/5 |
| Vol 5 | 2.88/5 | 4.30/5 |
| Vol 6 | 3.26/5 | 4.43/5 |
| Vol 7 | 2.73/5 | 4.32/5 |
| Vol 8 | 3.39/5 | 4.44/5 |
| Vol 9 | 3.58/5 | 4.51/5 |
| Vol 10 | 3.50/5 | 4.49/5 |
| Vol 11 | 2.76/5 | 4.25/5 |
| Vol 12 | 3.26/5 | 4.41/5 |
| Vol 13 | 2.80/5 | 4.20/5 |
| Vol 14 | 3.51/5 | 4.47/5 |
| Vol 15 | 2.95/5 | 4.36/5 |
| Vol 16 | 2.88/5 | 4.35/5 |
| Vol 17 | 2.80/5 | 4.14/5 |
| Overall | 3.11/5 | 4.51/5 |