| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.45/5 | 4.58/5 |
| Vol 2 | 3.01/5 | 4.47/5 |
| Vol 3 | 2.91/5 | 4.47/5 |
| Vol 4 | 2.87/5 | 4.36/5 |
| Vol 5 | 3.04/5 | 4.44/5 |
| Vol 6 | 3.01/5 | 4.51/5 |
| Vol 7 | 3.36/5 | 4.56/5 |
| Vol 8 | 3.56/5 | 4.58/5 |
| Vol 9 | 3.14/5 | 4.51/5 |
| Vol 10 | 3.69/5 | 4.59/5 |
| Vol 11 | 4.05/5 | 4.65/5 |
| Vol 12 | 3.11/5 | 4.56/5 |
| Vol 13 | 3.27/5 | 4.48/5 |
| Overall | 3.27/5 | 4.65/5 |