| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.08/5 | 3.08/5 |
| Vol 2 | 2.16/5 | 3.10/5 |
| Vol 3 | 2.07/5 | 3.11/5 |
| Vol 4 | 2.31/5 | 3.23/5 |
| Vol 5 | 1.77/5 | 2.86/5 |
| Vol 6 | 1.88/5 | 2.93/5 |
| Vol 7 | 1.98/5 | 3.12/5 |
| Vol 8 | 1.80/5 | 2.98/5 |
| Vol 9 | 1.90/5 | 3.09/5 |
| Vol 10 | 2.11/5 | 3.17/5 |
| Vol 11 | 1.98/5 | 3.28/5 |
| Vol 12 | 2.27/5 | 3.30/5 |
| Vol 13 | 1.92/5 | 3.02/5 |
| Vol 14 | 2.31/5 | 3.43/5 |
| Vol 15 | 2.23/5 | 3.34/5 |
| Vol 16 | 1.78/5 | 2.82/5 |
| Vol 17 | 2.10/5 | 3.10/5 |
| Vol 18 | 2.23/5 | 3.20/5 |
| Vol 19 | 2.04/5 | 3.16/5 |
| Vol 20 | 1.98/5 | 3.17/5 |
| Vol 21 | 2.19/5 | 3.31/5 |
| Vol 22 | 2.24/5 | 3.24/5 |
| Overall | 2.06/5 | 3.43/5 |