| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.72/5 | 4.52/5 |
| Vol 2 | 3.65/5 | 4.46/5 |
| Vol 3 | 3.63/5 | 4.48/5 |
| Vol 4 | 3.74/5 | 4.52/5 |
| Vol 5 | 3.64/5 | 4.50/5 |
| Vol 6 | 3.87/5 | 4.57/5 |
| Vol 7 | 3.91/5 | 4.58/5 |
| Vol 8 | 4.04/5 | 4.62/5 |
| Vol 9 | 4.03/5 | 4.61/5 |
| Vol 10 | 3.91/5 | 4.58/5 |
| Vol 11 | 3.97/5 | 4.60/5 |
| Vol 12 | 3.82/5 | 4.56/5 |
| Vol 13 | 3.90/5 | 4.58/5 |
| Vol 14 | 3.91/5 | 4.58/5 |
| Vol 15 | 3.93/5 | 4.58/5 |
| Vol 16 | 3.94/5 | 4.59/5 |
| Overall | 3.85/5 | 4.62/5 |