| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.66/5 | 3.62/5 |
| Vol 2 | 2.47/5 | 3.56/5 |
| Vol 3 | 2.83/5 | 4.00/5 |
| Vol 4 | 2.93/5 | 3.96/5 |
| Vol 5 | 2.73/5 | 3.85/5 |
| Vol 6 | 2.67/5 | 3.65/5 |
| Vol 7 | 2.63/5 | 3.80/5 |
| Vol 8 | 2.58/5 | 3.73/5 |
| Vol 9 | 2.50/5 | 3.66/5 |
| Vol 10 | 2.57/5 | 3.61/5 |
| Vol 11 | 2.77/5 | 3.67/5 |
| Vol 12 | 2.84/5 | 3.74/5 |
| Vol 13 | 2.78/5 | 3.72/5 |
| Vol 14 | 2.78/5 | 3.92/5 |
| Vol 15 | 2.53/5 | 3.65/5 |
| Vol 16 | 2.82/5 | 3.75/5 |
| Vol 17 | 2.73/5 | 3.87/5 |
| Vol 18 | 2.81/5 | 3.72/5 |
| Vol 19 | 2.56/5 | 3.94/5 |
| Vol 20 | 2.68/5 | 3.59/5 |
| Vol 21 | 2.70/5 | 3.62/5 |
| Vol 22 | 2.67/5 | 3.83/5 |
| Vol 23 | 2.82/5 | 3.74/5 |
| Vol 24 | 2.73/5 | 3.67/5 |
| Vol 25 | 2.82/5 | 3.71/5 |
| Overall | 2.70/5 | 4.00/5 |