| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.21/5 | 4.53/5 |
| Vol 2 | 3.27/5 | 4.53/5 |
| Vol 3 | 3.57/5 | 4.54/5 |
| Vol 4 | 3.62/5 | 4.55/5 |
| Vol 5 | 2.93/5 | 4.38/5 |
| Vol 6 | 2.80/5 | 4.42/5 |
| Vol 7 | 3.17/5 | 4.50/5 |
| Vol 8 | 2.90/5 | 4.45/5 |
| Vol 9 | 2.85/5 | 4.46/5 |
| Vol 10 | 2.88/5 | 4.46/5 |
| Vol 11 | 2.87/5 | 4.46/5 |
| Vol 12 | 2.80/5 | 4.39/5 |
| Vol 13 | 3.18/5 | 4.55/5 |
| Vol 14 | 2.88/5 | 4.48/5 |
| Vol 15 | 3.27/5 | 4.53/5 |
| Vol 16 | 2.74/5 | 4.41/5 |
| Vol 17 | 2.88/5 | 4.44/5 |
| Vol 18 | 3.21/5 | 4.50/5 |
| Vol 19 | 3.73/5 | 4.58/5 |
| Vol 20 | 2.96/5 | 4.52/5 |
| Overall | 3.09/5 | 4.58/5 |