| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.30/5 | 4.41/5 |
| Vol 2 | 2.23/5 | 4.35/5 |
| Vol 3 | 2.28/5 | 4.40/5 |
| Vol 4 | 2.40/5 | 4.43/5 |
| Vol 5 | 1.92/5 | 4.36/5 |
| Vol 6 | 1.88/5 | 4.29/5 |
| Vol 7 | 2.29/5 | 4.41/5 |
| Vol 8 | 2.03/5 | 4.21/5 |
| Vol 9 | 1.96/5 | 4.35/5 |
| Vol 10 | 1.95/5 | 4.35/5 |
| Vol 11 | 2.05/5 | 4.35/5 |
| Vol 12 | 1.96/5 | 4.30/5 |
| Vol 13 | 1.92/5 | 4.36/5 |
| Vol 14 | 1.79/5 | 4.25/5 |
| Vol 15 | 1.87/5 | 4.36/5 |
| Vol 16 | 2.33/5 | 4.41/5 |
| Overall | 2.07/5 | 4.43/5 |