| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.26/5 | 4.16/5 |
| Vol 2 | 3.30/5 | 4.21/5 |
| Vol 3 | 3.39/5 | 4.32/5 |
| Vol 4 | 3.41/5 | 4.27/5 |
| Vol 5 | 3.36/5 | 4.19/5 |
| Vol 6 | 3.09/5 | 4.10/5 |
| Vol 7 | 3.06/5 | 4.13/5 |
| Vol 8 | 3.33/5 | 4.30/5 |
| Vol 9 | 3.24/5 | 4.25/5 |
| Vol 10 | 3.44/5 | 4.25/5 |
| Vol 11 | 3.28/5 | 4.31/5 |
| Vol 12 | 3.36/5 | 4.15/5 |
| Vol 13 | 3.26/5 | 4.19/5 |
| Vol 14 | 3.24/5 | 4.28/5 |
| Vol 15 | 3.44/5 | 4.42/5 |
| Vol 16 | 3.16/5 | 4.15/5 |
| Vol 17 | 2.98/5 | 4.01/5 |
| Overall | 3.27/5 | 4.42/5 |