| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.70/5 | 4.51/5 |
| Vol 2 | 3.71/5 | 4.53/5 |
| Vol 3 | 3.52/5 | 4.44/5 |
| Vol 4 | 3.77/5 | 4.53/5 |
| Vol 5 | 3.82/5 | 4.55/5 |
| Vol 6 | 3.79/5 | 4.55/5 |
| Vol 7 | 3.75/5 | 4.55/5 |
| Vol 8 | 3.49/5 | 4.45/5 |
| Vol 9 | 3.87/5 | 4.57/5 |
| Vol 10 | 4.08/5 | 4.63/5 |
| Vol 11 | 3.84/5 | 4.57/5 |
| Vol 12 | 3.89/5 | 4.57/5 |
| Vol 13 | 3.92/5 | 4.58/5 |
| Vol 14 | 3.69/5 | 4.52/5 |
| Vol 15 | 3.55/5 | 4.45/5 |
| Vol 16 | 3.69/5 | 4.49/5 |
| Vol 17 | 4.06/5 | 4.63/5 |
| Vol 18 | 3.89/5 | 4.57/5 |
| Vol 19 | 3.76/5 | 4.50/5 |
| Vol 20 | 3.92/5 | 4.58/5 |
| Vol 21 | 4.01/5 | 4.60/5 |
| Vol 22 | 3.85/5 | 4.55/5 |
| Vol 23 | 3.58/5 | 4.52/5 |
| Vol 24 | 3.65/5 | 4.49/5 |
| Overall | 3.78/5 | 4.63/5 |