| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.68/5 | 4.44/5 |
| Vol 2 | 3.14/5 | 4.63/5 |
| Vol 3 | 3.02/5 | 4.64/5 |
| Vol 4 | 2.99/5 | 4.56/5 |
| Vol 5 | 2.72/5 | 4.54/5 |
| Vol 6 | 3.04/5 | 4.55/5 |
| Vol 7 | 3.14/5 | 4.67/5 |
| Vol 8 | 2.67/5 | 4.35/5 |
| Vol 9 | 2.75/5 | 4.58/5 |
| Vol 10 | 2.51/5 | 4.50/5 |
| Vol 11 | 3.14/5 | 4.58/5 |
| Vol 12 | 2.88/5 | 4.50/5 |
| Vol 13 | 3.43/5 | 4.68/5 |
| Vol 14 | 2.99/5 | 4.59/5 |
| Vol 15 | 3.07/5 | 4.53/5 |
| Vol 16 | 4.14/5 | 4.74/5 |
| Overall | 3.03/5 | 4.74/5 |