| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.17/5 | 4.33/5 |
| Vol 2 | 2.80/5 | 4.55/5 |
| Vol 3 | 4.18/5 | 4.67/5 |
| Vol 4 | 2.57/5 | 4.47/5 |
| Vol 5 | 4.10/5 | 4.64/5 |
| Vol 6 | 4.01/5 | 4.61/5 |
| Vol 7 | 3.62/5 | 4.57/5 |
| Vol 8 | 2.42/5 | 4.45/5 |
| Vol 9 | 4.10/5 | 4.64/5 |
| Vol 10 | 3.69/5 | 4.57/5 |
| Vol 11 | 2.82/5 | 4.52/5 |
| Vol 12 | 3.77/5 | 4.58/5 |
| Vol 13 | 3.71/5 | 4.57/5 |
| Vol 14 | 3.45/5 | 4.57/5 |
| Vol 15 | 3.54/5 | 4.57/5 |
| Vol 16 | 3.00/5 | 4.51/5 |
| Vol 17 | 3.63/5 | 4.56/5 |
| Vol 18 | 4.10/5 | 4.64/5 |
| Overall | 3.43/5 | 4.67/5 |