| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.64/5 | 4.52/5 |
| Vol 2 | 3.53/5 | 4.45/5 |
| Vol 3 | 3.68/5 | 4.53/5 |
| Vol 4 | 3.96/5 | 4.60/5 |
| Vol 5 | 4.07/5 | 4.63/5 |
| Vol 6 | 3.84/5 | 4.56/5 |
| Vol 7 | 3.74/5 | 4.54/5 |
| Vol 8 | 4.05/5 | 4.62/5 |
| Vol 9 | 3.95/5 | 4.59/5 |
| Vol 10 | 4.07/5 | 4.63/5 |
| Vol 11 | 4.05/5 | 4.62/5 |
| Overall | 3.87/5 | 4.63/5 |