| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.50/5 | 4.41/5 |
| Vol 2 | 3.33/5 | 4.41/5 |
| Vol 3 | 3.69/5 | 4.52/5 |
| Vol 4 | 3.75/5 | 4.53/5 |
| Vol 5 | 3.74/5 | 4.54/5 |
| Vol 6 | 3.71/5 | 4.52/5 |
| Vol 7 | 3.81/5 | 4.56/5 |
| Vol 8 | 3.79/5 | 4.54/5 |
| Vol 9 | 3.82/5 | 4.54/5 |
| Vol 10 | 3.76/5 | 4.54/5 |
| Vol 11 | 3.90/5 | 4.58/5 |
| Vol 12 | 4.02/5 | 4.61/5 |
| Vol 13 | 3.78/5 | 4.53/5 |
| Vol 14 | 3.87/5 | 4.56/5 |
| Vol 15 | 3.85/5 | 4.56/5 |
| Vol 16 | 3.73/5 | 4.52/5 |
| Vol 17 | 3.81/5 | 4.55/5 |
| Vol 18 | 3.90/5 | 4.57/5 |
| Vol 19 | 4.01/5 | 4.61/5 |
| Overall | 3.78/5 | 4.61/5 |