| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.30/5 | 4.09/5 |
| Vol 2 | 2.30/5 | 3.83/5 |
| Vol 3 | 2.31/5 | 4.27/5 |
| Vol 4 | 2.36/5 | 4.17/5 |
| Vol 5 | 2.23/5 | 4.32/5 |
| Vol 6 | 2.30/5 | 4.12/5 |
| Vol 7 | 2.24/5 | 4.03/5 |
| Vol 8 | 2.13/5 | 4.00/5 |
| Vol 9 | 2.93/5 | 4.47/5 |
| Vol 10 | 1.96/5 | 4.03/5 |
| Vol 11 | 2.41/5 | 4.35/5 |
| Vol 12 | 2.19/5 | 4.14/5 |
| Vol 13 | 2.26/5 | 4.12/5 |
| Vol 14 | 1.87/5 | 4.03/5 |
| Vol 15 | 1.91/5 | 3.80/5 |
| Vol 16 | 2.16/5 | 3.89/5 |
| Vol 17 | 2.89/5 | 4.52/5 |
| Overall | 2.28/5 | 4.52/5 |