| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.90/5 | 4.43/5 |
| Vol 2 | 3.22/5 | 4.47/5 |
| Vol 3 | 3.07/5 | 4.51/5 |
| Vol 4 | 3.53/5 | 4.56/5 |
| Vol 5 | 3.75/5 | 4.57/5 |
| Vol 6 | 4.11/5 | 4.64/5 |
| Vol 7 | 3.95/5 | 4.59/5 |
| Vol 8 | 3.88/5 | 4.59/5 |
| Vol 9 | 3.86/5 | 4.59/5 |
| Vol 10 | 3.52/5 | 4.53/5 |
| Vol 11 | 3.89/5 | 4.59/5 |
| Vol 12 | 3.20/5 | 4.49/5 |
| Vol 13 | 4.04/5 | 4.62/5 |
| Vol 14 | 3.80/5 | 4.58/5 |
| Vol 15 | 4.10/5 | 4.64/5 |
| Vol 16 | 3.65/5 | 4.55/5 |
| Vol 17 | 4.03/5 | 4.61/5 |
| Vol 18 | 4.06/5 | 4.62/5 |
| Vol 19 | 4.14/5 | 4.66/5 |
| Vol 20 | 4.07/5 | 4.63/5 |
| Overall | 3.74/5 | 4.66/5 |