| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.13/5 | 4.45/5 |
| Vol 2 | 3.37/5 | 4.48/5 |
| Vol 3 | 3.34/5 | 4.44/5 |
| Vol 4 | 3.30/5 | 4.46/5 |
| Vol 5 | 3.57/5 | 4.55/5 |
| Vol 6 | 3.70/5 | 4.56/5 |
| Vol 7 | 3.92/5 | 4.59/5 |
| Vol 8 | 3.92/5 | 4.58/5 |
| Vol 9 | 3.68/5 | 4.53/5 |
| Vol 10 | 3.67/5 | 4.54/5 |
| Vol 11 | 3.71/5 | 4.53/5 |
| Vol 12 | 3.53/5 | 4.49/5 |
| Vol 13 | 3.40/5 | 4.47/5 |
| Vol 14 | 3.88/5 | 4.58/5 |
| Vol 15 | 3.73/5 | 4.54/5 |
| Vol 16 | 3.83/5 | 4.57/5 |
| Vol 17 | 3.68/5 | 4.52/5 |
| Overall | 3.65/5 | 4.59/5 |