| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.76/5 | 3.77/5 |
| Vol 2 | 2.73/5 | 3.76/5 |
| Vol 3 | 2.73/5 | 3.80/5 |
| Vol 4 | 2.74/5 | 3.79/5 |
| Vol 5 | 2.68/5 | 3.62/5 |
| Vol 6 | 2.57/5 | 2.99/5 |
| Vol 7 | 2.73/5 | 3.68/5 |
| Vol 8 | 2.55/5 | 3.44/5 |
| Vol 9 | 2.73/5 | 3.72/5 |
| Vol 10 | 2.65/5 | 3.60/5 |
| Vol 11 | 2.67/5 | 3.62/5 |
| Vol 12 | 2.64/5 | 3.57/5 |
| Vol 13 | 2.64/5 | 3.56/5 |
| Vol 14 | 2.67/5 | 3.77/5 |
| Vol 15 | 2.71/5 | 3.69/5 |
| Vol 16 | 2.76/5 | 3.84/5 |
| Vol 17 | 2.75/5 | 3.69/5 |
| Overall | 2.69/5 | 3.84/5 |