| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.99/5 | 4.73/5 |
| Vol 2 | 2.74/5 | 4.60/5 |
| Vol 3 | 2.67/5 | 4.55/5 |
| Vol 4 | 2.96/5 | 4.67/5 |
| Vol 5 | 2.79/5 | 4.63/5 |
| Vol 6 | 3.28/5 | 4.81/5 |
| Vol 7 | 3.17/5 | 4.75/5 |
| Vol 8 | 2.59/5 | 4.47/5 |
| Vol 9 | 2.73/5 | 4.58/5 |
| Vol 10 | 2.98/5 | 4.67/5 |
| Vol 11 | 2.97/5 | 4.71/5 |
| Vol 12 | 3.07/5 | 4.71/5 |
| Vol 13 | 2.80/5 | 4.57/5 |
| Vol 14 | 3.22/5 | 4.77/5 |
| Vol 15 | 3.12/5 | 4.74/5 |
| Vol 16 | 3.04/5 | 4.75/5 |
| Vol 17 | 2.90/5 | 4.64/5 |
| Vol 18 | 2.98/5 | 4.68/5 |
| Vol 19 | 2.67/5 | 4.56/5 |
| Vol 20 | 2.95/5 | 4.63/5 |
| Vol 21 | 3.43/5 | 4.71/5 |
| Vol 22 | 3.06/5 | 4.70/5 |
| Vol 23 | 3.02/5 | 4.75/5 |
| Vol 24 | 3.24/5 | 4.77/5 |
| Overall | 2.98/5 | 4.81/5 |