| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.17/5 | 4.12/5 |
| Vol 2 | 2.24/5 | 4.27/5 |
| Vol 3 | 2.25/5 | 4.21/5 |
| Vol 4 | 2.39/5 | 4.27/5 |
| Vol 5 | 2.23/5 | 4.35/5 |
| Vol 6 | 2.23/5 | 4.12/5 |
| Vol 7 | 2.21/5 | 4.33/5 |
| Vol 8 | 2.18/5 | 4.17/5 |
| Vol 9 | 1.88/5 | 3.00/5 |
| Vol 10 | 1.96/5 | 3.87/5 |
| Vol 11 | 1.95/5 | 4.00/5 |
| Vol 12 | 1.87/5 | 4.27/5 |
| Vol 13 | 1.98/5 | 4.14/5 |
| Vol 14 | 1.84/5 | 4.03/5 |
| Vol 15 | 1.89/5 | 4.09/5 |
| Vol 16 | 2.03/5 | 4.12/5 |
| Vol 17 | 2.14/5 | 4.33/5 |
| Vol 18 | 2.10/5 | 4.00/5 |
| Vol 19 | 1.98/5 | 4.12/5 |
| Vol 20 | 1.65/5 | 3.33/5 |
| Vol 21 | 2.26/5 | 4.33/5 |
| Vol 22 | 1.95/5 | 4.17/5 |
| Overall | 2.06/5 | 4.35/5 |