| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.30/5 | 4.06/5 |
| Vol 2 | 3.66/5 | 4.48/5 |
| Vol 3 | 3.43/5 | 4.35/5 |
| Vol 4 | 3.64/5 | 4.47/5 |
| Vol 5 | 3.37/5 | 4.33/5 |
| Vol 6 | 3.47/5 | 4.39/5 |
| Vol 7 | 3.44/5 | 4.37/5 |
| Vol 8 | 3.49/5 | 4.33/5 |
| Vol 9 | 3.57/5 | 4.46/5 |
| Vol 10 | 3.60/5 | 4.43/5 |
| Vol 11 | 3.60/5 | 4.43/5 |
| Vol 12 | 3.83/5 | 4.54/5 |
| Vol 13 | 3.85/5 | 4.55/5 |
| Overall | 3.56/5 | 4.55/5 |