| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.22/5 | 4.39/5 |
| Vol 2 | 1.99/5 | 3.33/5 |
| Vol 3 | 2.22/5 | 3.33/5 |
| Vol 4 | 2.38/5 | 3.89/5 |
| Vol 5 | 2.25/5 | 3.33/5 |
| Vol 6 | 2.43/5 | 3.55/5 |
| Vol 7 | 2.38/5 | 3.76/5 |
| Vol 8 | 2.14/5 | 3.25/5 |
| Vol 9 | 2.41/5 | 4.16/5 |
| Vol 10 | 2.14/5 | 3.73/5 |
| Vol 11 | 2.21/5 | 3.20/5 |
| Vol 12 | 2.66/5 | 4.47/5 |
| Vol 13 | 2.33/5 | 4.47/5 |
| Vol 14 | 2.29/5 | 4.00/5 |
| Vol 15 | 2.28/5 | 3.83/5 |
| Vol 16 | 2.49/5 | 4.56/5 |
| Vol 17 | 2.23/5 | 3.55/5 |
| Vol 18 | 2.71/5 | 4.45/5 |
| Vol 19 | 2.71/5 | 4.45/5 |
| Overall | 2.35/5 | 4.56/5 |