| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.77/5 | 4.51/5 |
| Vol 2 | 2.66/5 | 4.27/5 |
| Vol 3 | 2.53/5 | 4.08/5 |
| Vol 4 | 2.60/5 | 4.30/5 |
| Vol 5 | 2.72/5 | 4.58/5 |
| Vol 6 | 3.07/5 | 4.67/5 |
| Vol 7 | 2.66/5 | 4.47/5 |
| Vol 8 | 3.45/5 | 4.71/5 |
| Vol 9 | 2.92/5 | 4.58/5 |
| Vol 10 | 3.51/5 | 4.73/5 |
| Vol 11 | 3.50/5 | 4.68/5 |
| Vol 12 | 2.97/5 | 4.60/5 |
| Vol 13 | 2.93/5 | 4.63/5 |
| Vol 14 | 2.87/5 | 4.64/5 |
| Vol 15 | 2.97/5 | 4.64/5 |
| Vol 16 | 3.15/5 | 4.72/5 |
| Vol 17 | 4.22/5 | 4.80/5 |
| Vol 18 | 3.72/5 | 4.75/5 |
| Vol 19 | 3.43/5 | 4.75/5 |
| Vol 20 | 3.04/5 | 4.64/5 |
| Overall | 3.07/5 | 4.80/5 |