| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.48/5 | 4.39/5 |
| Vol 2 | 2.39/5 | 4.30/5 |
| Vol 3 | 2.49/5 | 4.25/5 |
| Vol 4 | 2.32/5 | 4.23/5 |
| Vol 5 | 2.26/5 | 4.25/5 |
| Vol 6 | 2.50/5 | 4.29/5 |
| Vol 7 | 2.37/5 | 4.32/5 |
| Vol 8 | 2.47/5 | 4.25/5 |
| Vol 9 | 2.45/5 | 4.21/5 |
| Vol 10 | 2.36/5 | 4.14/5 |
| Vol 11 | 2.76/5 | 4.45/5 |
| Vol 12 | 2.50/5 | 4.23/5 |
| Vol 13 | 2.51/5 | 4.27/5 |
| Vol 14 | 2.40/5 | 4.29/5 |
| Vol 15 | 2.57/5 | 4.36/5 |
| Vol 16 | 2.19/5 | 4.12/5 |
| Vol 17 | 2.57/5 | 4.27/5 |
| Overall | 2.45/5 | 4.45/5 |