| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.69/5 | 4.44/5 |
| Vol 2 | 2.91/5 | 4.50/5 |
| Vol 3 | 2.84/5 | 4.50/5 |
| Vol 4 | 2.68/5 | 4.47/5 |
| Vol 5 | 2.98/5 | 4.59/5 |
| Vol 6 | 2.85/5 | 4.55/5 |
| Vol 7 | 3.01/5 | 4.56/5 |
| Vol 8 | 2.95/5 | 4.58/5 |
| Vol 9 | 2.77/5 | 4.50/5 |
| Vol 10 | 3.08/5 | 4.66/5 |
| Vol 11 | 2.93/5 | 4.61/5 |
| Vol 12 | 3.53/5 | 4.70/5 |
| Vol 13 | 3.69/5 | 4.72/5 |
| Vol 14 | 3.80/5 | 4.71/5 |
| Vol 15 | 3.44/5 | 4.69/5 |
| Vol 16 | 3.65/5 | 4.72/5 |
| Vol 17 | 2.78/5 | 4.51/5 |
| Vol 18 | 3.60/5 | 4.68/5 |
| Vol 19 | 3.15/5 | 4.62/5 |
| Vol 20 | 2.97/5 | 4.60/5 |
| Vol 21 | 3.34/5 | 4.68/5 |
| Vol 22 | 3.35/5 | 4.70/5 |
| Overall | 3.15/5 | 4.72/5 |