| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.82/5 | 4.47/5 |
| Vol 2 | 2.83/5 | 4.51/5 |
| Vol 3 | 2.74/5 | 4.37/5 |
| Vol 4 | 2.88/5 | 4.64/5 |
| Vol 5 | 2.87/5 | 4.58/5 |
| Vol 6 | 2.94/5 | 4.53/5 |
| Vol 7 | 2.65/5 | 4.40/5 |
| Vol 8 | 2.71/5 | 4.51/5 |
| Vol 9 | 2.88/5 | 4.45/5 |
| Vol 10 | 2.97/5 | 4.63/5 |
| Vol 11 | 2.89/5 | 4.55/5 |
| Vol 12 | 2.84/5 | 4.60/5 |
| Vol 13 | 2.77/5 | 4.42/5 |
| Vol 14 | 3.09/5 | 4.74/5 |
| Vol 15 | 2.71/5 | 4.51/5 |
| Vol 16 | 2.88/5 | 4.66/5 |
| Vol 17 | 2.85/5 | 4.51/5 |
| Vol 18 | 2.84/5 | 4.49/5 |
| Vol 19 | 2.81/5 | 4.58/5 |
| Vol 20 | 2.90/5 | 4.57/5 |
| Vol 21 | 2.87/5 | 4.63/5 |
| Vol 22 | 3.01/5 | 4.57/5 |
| Vol 23 | 3.33/5 | 4.63/5 |
| Vol 24 | 3.19/5 | 4.76/5 |
| Overall | 2.95/5 | 4.76/5 |