| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.93/5 | 4.66/5 |
| Vol 2 | 2.84/5 | 4.62/5 |
| Vol 3 | 2.67/5 | 4.49/5 |
| Vol 4 | 4.12/5 | 4.70/5 |
| Vol 5 | 3.03/5 | 4.62/5 |
| Vol 6 | 4.15/5 | 4.71/5 |
| Vol 7 | 3.98/5 | 4.68/5 |
| Vol 8 | 4.03/5 | 4.68/5 |
| Vol 9 | 3.53/5 | 4.64/5 |
| Vol 10 | 4.14/5 | 4.71/5 |
| Vol 11 | 3.92/5 | 4.68/5 |
| Vol 12 | 3.81/5 | 4.68/5 |
| Vol 13 | 3.06/5 | 4.61/5 |
| Vol 14 | 3.80/5 | 4.67/5 |
| Vol 15 | 4.10/5 | 4.69/5 |
| Vol 16 | 4.16/5 | 4.72/5 |
| Vol 17 | 3.38/5 | 4.61/5 |
| Vol 18 | 4.29/5 | 4.77/5 |
| Vol 19 | 4.02/5 | 4.68/5 |
| Vol 20 | 2.84/5 | 4.56/5 |
| Vol 21 | 3.59/5 | 4.66/5 |
| Vol 22 | 4.09/5 | 4.69/5 |
| Overall | 3.73/5 | 4.77/5 |