| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.50/5 | 4.41/5 |
| Vol 2 | 3.59/5 | 4.40/5 |
| Vol 3 | 3.50/5 | 4.40/5 |
| Vol 4 | 3.76/5 | 4.53/5 |
| Vol 5 | 3.31/5 | 4.23/5 |
| Vol 6 | 3.68/5 | 4.48/5 |
| Vol 7 | 3.61/5 | 4.43/5 |
| Vol 8 | 3.37/5 | 4.34/5 |
| Vol 9 | 3.70/5 | 4.52/5 |
| Vol 10 | 3.75/5 | 4.52/5 |
| Vol 11 | 3.58/5 | 4.45/5 |
| Vol 12 | 3.48/5 | 4.47/5 |
| Vol 13 | 3.67/5 | 4.50/5 |
| Vol 14 | 3.55/5 | 4.48/5 |
| Vol 15 | 3.41/5 | 4.38/5 |
| Vol 16 | 3.48/5 | 4.33/5 |
| Vol 17 | 3.85/5 | 4.55/5 |
| Vol 18 | 3.52/5 | 4.44/5 |
| Vol 19 | 3.61/5 | 4.47/5 |
| Vol 20 | 3.84/5 | 4.56/5 |
| Vol 21 | 3.56/5 | 4.42/5 |
| Overall | 3.59/5 | 4.56/5 |