| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.19/5 | 4.40/5 |
| Vol 2 | 3.19/5 | 4.40/5 |
| Vol 3 | 2.91/5 | 4.28/5 |
| Vol 4 | 3.38/5 | 4.48/5 |
| Vol 5 | 3.66/5 | 4.55/5 |
| Vol 6 | 3.43/5 | 4.49/5 |
| Vol 7 | 3.50/5 | 4.51/5 |
| Vol 8 | 3.57/5 | 4.51/5 |
| Vol 9 | 3.13/5 | 4.40/5 |
| Vol 10 | 3.21/5 | 4.47/5 |
| Vol 11 | 3.05/5 | 4.32/5 |
| Vol 12 | 3.31/5 | 4.53/5 |
| Vol 13 | 3.41/5 | 4.47/5 |
| Vol 14 | 3.34/5 | 4.45/5 |
| Vol 15 | 3.14/5 | 4.45/5 |
| Vol 16 | 3.69/5 | 4.58/5 |
| Vol 17 | 3.39/5 | 4.49/5 |
| Vol 18 | 3.51/5 | 4.57/5 |
| Vol 19 | 3.01/5 | 4.30/5 |
| Vol 20 | 3.24/5 | 4.48/5 |
| Vol 21 | 3.64/5 | 4.59/5 |
| Vol 22 | 3.72/5 | 4.60/5 |
| Overall | 3.35/5 | 4.60/5 |