| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.17/5 | 4.88/5 |
| Vol 2 | 3.30/5 | 4.88/5 |
| Vol 3 | 2.60/5 | 4.84/5 |
| Vol 4 | 2.80/5 | 4.83/5 |
| Vol 5 | 2.47/5 | 4.76/5 |
| Vol 6 | 2.39/5 | 4.82/5 |
| Vol 7 | 3.30/5 | 4.89/5 |
| Vol 8 | 2.08/5 | 4.68/5 |
| Vol 9 | 2.69/5 | 4.81/5 |
| Vol 10 | 2.35/5 | 4.74/5 |
| Vol 11 | 2.14/5 | 4.57/5 |
| Vol 12 | 2.11/5 | 4.75/5 |
| Vol 13 | 2.55/5 | 4.75/5 |
| Vol 14 | 2.41/5 | 4.75/5 |
| Vol 15 | 2.86/5 | 4.86/5 |
| Vol 16 | 2.92/5 | 4.85/5 |
| Vol 17 | 2.17/5 | 4.75/5 |
| Vol 18 | 2.09/5 | 4.74/5 |
| Vol 19 | 2.17/5 | 4.72/5 |
| Vol 20 | 2.52/5 | 4.59/5 |
| Vol 21 | 2.30/5 | 4.80/5 |
| Vol 22 | 2.21/5 | 4.73/5 |
| Vol 23 | 3.30/5 | 4.88/5 |
| Overall | 2.55/5 | 4.89/5 |