| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.29/5 | 3.61/5 |
| Vol 2 | 2.45/5 | 3.82/5 |
| Vol 3 | 2.17/5 | 3.48/5 |
| Vol 4 | 2.28/5 | 3.32/5 |
| Vol 5 | 1.91/5 | 3.26/5 |
| Vol 6 | 2.41/5 | 3.73/5 |
| Vol 7 | 2.23/5 | 3.56/5 |
| Vol 8 | 2.06/5 | 3.51/5 |
| Vol 9 | 2.43/5 | 3.68/5 |
| Vol 10 | 2.39/5 | 3.63/5 |
| Vol 11 | 2.19/5 | 3.26/5 |
| Vol 12 | 2.26/5 | 3.59/5 |
| Vol 13 | 1.99/5 | 3.36/5 |
| Vol 14 | 2.31/5 | 3.55/5 |
| Vol 15 | 1.88/5 | 3.58/5 |
| Vol 16 | 2.32/5 | 3.72/5 |
| Overall | 2.22/5 | 3.82/5 |