| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.57/5 | 4.36/5 |
| Vol 2 | 2.57/5 | 4.10/5 |
| Vol 3 | 2.58/5 | 4.54/5 |
| Vol 4 | 2.63/5 | 4.44/5 |
| Vol 5 | 2.50/5 | 4.59/5 |
| Vol 6 | 2.57/5 | 4.39/5 |
| Vol 7 | 2.51/5 | 4.30/5 |
| Vol 8 | 2.40/5 | 4.27/5 |
| Vol 9 | 3.20/5 | 4.74/5 |
| Vol 10 | 2.23/5 | 4.30/5 |
| Vol 11 | 2.68/5 | 4.62/5 |
| Vol 12 | 2.46/5 | 4.41/5 |
| Vol 13 | 2.53/5 | 4.39/5 |
| Vol 14 | 2.14/5 | 4.30/5 |
| Vol 15 | 2.18/5 | 4.07/5 |
| Vol 16 | 2.43/5 | 4.16/5 |
| Vol 17 | 3.16/5 | 4.79/5 |
| Overall | 2.58/5 | 4.79/5 |