| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.66/5 | 4.44/5 |
| Vol 2 | 3.74/5 | 4.46/5 |
| Vol 3 | 3.87/5 | 4.51/5 |
| Vol 4 | 3.53/5 | 4.36/5 |
| Vol 5 | 3.67/5 | 4.42/5 |
| Vol 6 | 3.67/5 | 4.45/5 |
| Vol 7 | 3.70/5 | 4.43/5 |
| Vol 8 | 3.48/5 | 4.36/5 |
| Vol 9 | 3.69/5 | 4.45/5 |
| Vol 10 | 3.76/5 | 4.47/5 |
| Vol 11 | 3.68/5 | 4.44/5 |
| Vol 12 | 3.63/5 | 4.41/5 |
| Vol 13 | 3.43/5 | 4.34/5 |
| Overall | 3.66/5 | 4.43/5 |