| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.44/5 | 4.33/5 |
| Vol 2 | 3.33/5 | 4.26/5 |
| Vol 3 | 3.45/5 | 4.33/5 |
| Vol 4 | 3.37/5 | 4.32/5 |
| Vol 5 | 3.33/5 | 4.30/5 |
| Vol 6 | 3.56/5 | 4.46/5 |
| Vol 7 | 3.22/5 | 4.20/5 |
| Vol 8 | 3.26/5 | 4.31/5 |
| Vol 9 | 2.95/5 | 4.19/5 |
| Vol 10 | 2.70/5 | 4.11/5 |
| Vol 11 | 3.16/5 | 4.08/5 |
| Vol 12 | 3.56/5 | 4.40/5 |
| Vol 13 | 2.69/5 | 3.79/5 |
| Vol 14 | 3.23/5 | 4.34/5 |
| Vol 15 | 3.31/5 | 4.38/5 |
| Vol 16 | 2.76/5 | 3.87/5 |
| Vol 17 | 3.36/5 | 4.13/5 |
| Overall | 3.22/5 | 4.46/5 |