| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.81/5 | 4.78/5 |
| Vol 2 | 3.53/5 | 4.73/5 |
| Vol 3 | 2.98/5 | 4.63/5 |
| Vol 4 | 3.96/5 | 4.79/5 |
| Vol 5 | 2.74/5 | 4.61/5 |
| Vol 6 | 2.73/5 | 4.64/5 |
| Vol 7 | 3.06/5 | 4.65/5 |
| Vol 8 | 2.66/5 | 4.57/5 |
| Vol 9 | 2.56/5 | 4.57/5 |
| Vol 10 | 2.92/5 | 4.65/5 |
| Vol 11 | 2.88/5 | 4.62/5 |
| Vol 12 | 2.52/5 | 4.54/5 |
| Vol 13 | 3.31/5 | 4.67/5 |
| Vol 14 | 3.06/5 | 4.66/5 |
| Vol 15 | 2.63/5 | 4.42/5 |
| Vol 16 | 2.87/5 | 4.63/5 |
| Vol 17 | 3.59/5 | 4.76/5 |
| Vol 18 | 3.32/5 | 4.69/5 |
| Vol 19 | 3.36/5 | 4.74/5 |
| Vol 20 | 3.41/5 | 4.70/5 |
| Vol 21 | 3.53/5 | 4.71/5 |
| Vol 22 | 3.18/5 | 4.70/5 |
| Vol 23 | 3.14/5 | 4.62/5 |
| Overall | 3.11/5 | 4.79/5 |