| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.46/5 | 4.41/5 |
| Vol 2 | 2.53/5 | 4.56/5 |
| Vol 3 | 2.54/5 | 4.50/5 |
| Vol 4 | 2.68/5 | 4.56/5 |
| Vol 5 | 2.52/5 | 4.64/5 |
| Vol 6 | 2.52/5 | 4.41/5 |
| Vol 7 | 2.50/5 | 4.62/5 |
| Vol 8 | 2.47/5 | 4.46/5 |
| Vol 9 | 2.17/5 | 3.29/5 |
| Vol 10 | 2.25/5 | 4.16/5 |
| Vol 11 | 2.24/5 | 4.29/5 |
| Vol 12 | 2.16/5 | 4.56/5 |
| Vol 13 | 2.27/5 | 4.43/5 |
| Vol 14 | 2.13/5 | 4.32/5 |
| Vol 15 | 2.18/5 | 4.38/5 |
| Vol 16 | 2.32/5 | 4.41/5 |
| Vol 17 | 2.43/5 | 4.62/5 |
| Vol 18 | 2.39/5 | 4.29/5 |
| Vol 19 | 2.27/5 | 4.41/5 |
| Vol 20 | 1.94/5 | 3.62/5 |
| Vol 21 | 2.55/5 | 4.62/5 |
| Vol 22 | 2.24/5 | 4.46/5 |
| Overall | 2.35/5 | 4.64/5 |