| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.15/5 | 4.46/5 |
| Vol 2 | 2.24/5 | 4.33/5 |
| Vol 3 | 2.41/5 | 4.50/5 |
| Vol 4 | 2.08/5 | 4.38/5 |
| Vol 5 | 2.32/5 | 4.42/5 |
| Vol 6 | 2.78/5 | 4.54/5 |
| Vol 7 | 2.53/5 | 4.57/5 |
| Vol 8 | 2.88/5 | 4.62/5 |
| Vol 9 | 2.46/5 | 4.46/5 |
| Vol 10 | 2.30/5 | 4.53/5 |
| Vol 11 | 2.21/5 | 4.40/5 |
| Vol 12 | 2.27/5 | 4.33/5 |
| Vol 13 | 2.60/5 | 4.54/5 |
| Vol 14 | 2.57/5 | 4.53/5 |
| Vol 15 | 2.27/5 | 4.40/5 |
| Vol 16 | 2.19/5 | 4.50/5 |
| Vol 17 | 2.03/5 | 4.35/5 |
| Overall | 2.39/5 | 4.62/5 |