| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.96/5 | 4.60/5 |
| Vol 2 | 3.02/5 | 4.63/5 |
| Vol 3 | 3.77/5 | 4.65/5 |
| Vol 4 | 3.31/5 | 4.64/5 |
| Vol 5 | 2.83/5 | 4.55/5 |
| Vol 6 | 3.56/5 | 4.64/5 |
| Vol 7 | 2.73/5 | 4.48/5 |
| Vol 8 | 2.77/5 | 4.49/5 |
| Vol 9 | 3.06/5 | 4.63/5 |
| Vol 10 | 4.17/5 | 4.70/5 |
| Vol 11 | 3.03/5 | 4.58/5 |
| Vol 12 | 3.14/5 | 4.58/5 |
| Vol 13 | 3.03/5 | 4.62/5 |
| Vol 14 | 4.17/5 | 4.70/5 |
| Vol 15 | 4.32/5 | 4.76/5 |
| Vol 16 | 3.46/5 | 4.61/5 |
| Vol 17 | 4.12/5 | 4.68/5 |
| Vol 18 | 3.84/5 | 4.65/5 |
| Vol 19 | 4.23/5 | 4.73/5 |
| Vol 20 | 3.68/5 | 4.64/5 |
| Vol 21 | 4.22/5 | 4.72/5 |
| Vol 22 | 4.18/5 | 4.71/5 |
| Vol 23 | 3.14/5 | 4.35/5 |
| Vol 24 | 4.09/5 | 4.67/5 |
| Vol 25 | 2.75/5 | 4.48/5 |
| Overall | 3.45/5 | 4.76/5 |