| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.17/5 | 4.35/5 |
| Vol 2 | 2.28/5 | 4.42/5 |
| Vol 3 | 2.55/5 | 4.43/5 |
| Vol 4 | 2.17/5 | 4.17/5 |
| Vol 5 | 2.43/5 | 4.32/5 |
| Vol 6 | 2.55/5 | 4.38/5 |
| Vol 7 | 2.51/5 | 4.30/5 |
| Vol 8 | 2.65/5 | 4.46/5 |
| Vol 9 | 2.07/5 | 4.36/5 |
| Vol 10 | 2.30/5 | 4.21/5 |
| Vol 11 | 2.05/5 | 4.17/5 |
| Vol 12 | 2.50/5 | 4.43/5 |
| Vol 13 | 2.37/5 | 4.36/5 |
| Vol 14 | 2.03/5 | 4.29/5 |
| Vol 15 | 2.63/5 | 4.43/5 |
| Vol 16 | 2.91/5 | 4.55/5 |
| Vol 17 | 2.28/5 | 4.44/5 |
| Vol 18 | 1.93/5 | 4.09/5 |
| Vol 19 | 2.53/5 | 4.44/5 |
| Vol 20 | 2.41/5 | 4.38/5 |
| Overall | 2.37/5 | 4.55/5 |