| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.68/5 | 4.57/5 |
| Vol 2 | 2.89/5 | 4.66/5 |
| Vol 3 | 2.67/5 | 4.59/5 |
| Vol 4 | 2.70/5 | 4.68/5 |
| Vol 5 | 2.59/5 | 4.55/5 |
| Vol 6 | 2.84/5 | 4.70/5 |
| Vol 7 | 3.03/5 | 4.84/5 |
| Vol 8 | 2.75/5 | 4.68/5 |
| Vol 9 | 2.70/5 | 4.63/5 |
| Vol 10 | 2.76/5 | 4.62/5 |
| Vol 11 | 3.21/5 | 4.82/5 |
| Vol 12 | 3.03/5 | 4.79/5 |
| Vol 13 | 3.17/5 | 4.84/5 |
| Vol 14 | 3.00/5 | 4.77/5 |
| Vol 15 | 2.61/5 | 4.68/5 |
| Vol 16 | 2.99/5 | 4.82/5 |
| Vol 17 | 2.68/5 | 4.74/5 |
| Vol 18 | 2.74/5 | 4.69/5 |
| Vol 19 | 2.70/5 | 4.71/5 |
| Vol 20 | 2.72/5 | 4.60/5 |
| Vol 21 | 3.19/5 | 4.85/5 |
| Vol 22 | 2.92/5 | 4.75/5 |
| Vol 23 | 2.93/5 | 4.74/5 |
| Vol 24 | 2.77/5 | 4.57/5 |
| Vol 25 | 2.87/5 | 4.74/5 |
| Overall | 2.85/5 | 4.85/5 |