| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.57/5 | 4.44/5 |
| Vol 2 | 3.40/5 | 4.18/5 |
| Vol 3 | 3.39/5 | 4.18/5 |
| Vol 4 | 3.34/5 | 4.15/5 |
| Vol 5 | 3.39/5 | 4.18/5 |
| Vol 6 | 3.51/5 | 4.36/5 |
| Vol 7 | 3.41/5 | 4.32/5 |
| Vol 8 | 3.47/5 | 4.28/5 |
| Vol 9 | 3.54/5 | 4.30/5 |
| Vol 10 | 3.75/5 | 4.51/5 |
| Vol 11 | 3.60/5 | 4.42/5 |
| Vol 12 | 3.54/5 | 4.38/5 |
| Vol 13 | 3.58/5 | 4.40/5 |
| Vol 14 | 3.52/5 | 4.38/5 |
| Vol 15 | 3.69/5 | 4.49/5 |
| Vol 16 | 3.77/5 | 4.52/5 |
| Vol 17 | 3.63/5 | 4.46/5 |
| Overall | 3.54/5 | 4.52/5 |