| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 4.35/5 | 4.74/5 |
| Vol 2 | 4.20/5 | 4.68/5 |
| Vol 3 | 4.27/5 | 4.71/5 |
| Vol 4 | 4.35/5 | 4.74/5 |
| Vol 5 | 4.39/5 | 4.76/5 |
| Vol 6 | 4.37/5 | 4.75/5 |
| Vol 7 | 4.41/5 | 4.76/5 |
| Vol 8 | 4.30/5 | 4.72/5 |
| Vol 9 | 4.39/5 | 4.76/5 |
| Vol 10 | 4.33/5 | 4.73/5 |
| Vol 11 | 4.41/5 | 4.76/5 |
| Vol 12 | 4.38/5 | 4.75/5 |
| Vol 13 | 4.32/5 | 4.73/5 |
| Overall | 4.34/5 | 4.76/5 |