| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.80/5 | 4.28/5 |
| Vol 2 | 2.97/5 | 4.42/5 |
| Vol 3 | 2.91/5 | 4.49/5 |
| Vol 4 | 2.65/5 | 4.32/5 |
| Vol 5 | 2.88/5 | 4.51/5 |
| Vol 6 | 3.46/5 | 4.58/5 |
| Vol 7 | 3.00/5 | 4.53/5 |
| Vol 8 | 3.00/5 | 4.52/5 |
| Vol 9 | 2.70/5 | 4.43/5 |
| Vol 10 | 2.97/5 | 4.54/5 |
| Vol 11 | 2.99/5 | 4.55/5 |
| Vol 12 | 3.16/5 | 4.52/5 |
| Vol 13 | 3.62/5 | 4.64/5 |
| Vol 14 | 3.03/5 | 4.55/5 |
| Vol 15 | 3.02/5 | 4.52/5 |
| Vol 16 | 3.86/5 | 4.65/5 |
| Vol 17 | 2.99/5 | 4.50/5 |
| Vol 18 | 3.40/5 | 4.59/5 |
| Vol 19 | 4.01/5 | 4.66/5 |
| Vol 20 | 3.99/5 | 4.66/5 |
| Vol 21 | 3.53/5 | 4.60/5 |
| Vol 22 | 3.61/5 | 4.62/5 |
| Vol 23 | 3.05/5 | 4.53/5 |
| Vol 24 | 3.48/5 | 4.61/5 |
| Vol 25 | 3.69/5 | 4.62/5 |
| Overall | 3.17/5 | 4.66/5 |