| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.90/5 | 4.39/5 |
| Vol 2 | 3.65/5 | 4.31/5 |
| Vol 3 | 3.76/5 | 4.34/5 |
| Vol 4 | 3.58/5 | 4.31/5 |
| Vol 5 | 3.90/5 | 4.39/5 |
| Vol 6 | 3.84/5 | 4.37/5 |
| Vol 7 | 3.88/5 | 4.38/5 |
| Vol 8 | 3.93/5 | 4.40/5 |
| Vol 9 | 3.94/5 | 4.41/5 |
| Vol 10 | 3.95/5 | 4.41/5 |
| Vol 11 | 3.84/5 | 4.37/5 |
| Vol 12 | 3.98/5 | 4.42/5 |
| Overall | 3.84/5 | 4.42/5 |