| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.47/5 | 4.35/5 |
| Vol 2 | 3.57/5 | 4.43/5 |
| Vol 3 | 3.54/5 | 4.38/5 |
| Vol 4 | 3.66/5 | 4.47/5 |
| Vol 5 | 3.47/5 | 4.34/5 |
| Vol 6 | 3.59/5 | 4.42/5 |
| Vol 7 | 3.55/5 | 4.35/5 |
| Vol 8 | 3.44/5 | 4.39/5 |
| Vol 9 | 3.50/5 | 4.45/5 |
| Vol 10 | 3.37/5 | 4.24/5 |
| Vol 11 | 3.60/5 | 4.39/5 |
| Vol 12 | 3.52/5 | 4.39/5 |
| Vol 13 | 3.57/5 | 4.45/5 |
| Vol 14 | 3.45/5 | 4.32/5 |
| Vol 15 | 3.43/5 | 4.29/5 |
| Vol 16 | 3.23/5 | 4.29/5 |
| Overall | 3.50/5 | 4.47/5 |