| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.93/5 | 4.41/5 |
| Vol 2 | 3.73/5 | 4.33/5 |
| Vol 3 | 3.79/5 | 4.36/5 |
| Vol 4 | 3.76/5 | 4.34/5 |
| Vol 5 | 3.61/5 | 4.32/5 |
| Vol 6 | 3.53/5 | 4.32/5 |
| Vol 7 | 3.74/5 | 4.33/5 |
| Vol 8 | 3.91/5 | 4.40/5 |
| Vol 9 | 3.90/5 | 4.40/5 |
| Vol 10 | 3.79/5 | 4.36/5 |
| Vol 11 | 3.82/5 | 4.36/5 |
| Vol 12 | 3.78/5 | 4.35/5 |
| Vol 13 | 3.81/5 | 4.36/5 |
| Vol 14 | 2.67/5 | 4.32/5 |
| Vol 15 | 3.31/5 | 4.30/5 |
| Vol 16 | 3.78/5 | 4.35/5 |
| Vol 17 | 2.90/5 | 4.29/5 |
| Vol 18 | 3.86/5 | 4.38/5 |
| Vol 19 | 3.73/5 | 4.33/5 |
| Vol 20 | 3.78/5 | 4.35/5 |
| Vol 21 | 3.89/5 | 4.39/5 |
| Vol 22 | 3.93/5 | 4.41/5 |
| Vol 23 | 3.76/5 | 4.34/5 |
| Overall | 3.68/5 | 4.41/5 |