| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.12/5 | 3.91/5 |
| Vol 2 | 1.96/5 | 4.03/5 |
| Vol 3 | 2.13/5 | 4.14/5 |
| Vol 4 | 2.24/5 | 4.03/5 |
| Vol 5 | 2.28/5 | 4.19/5 |
| Vol 6 | 2.24/5 | 4.14/5 |
| Vol 7 | 2.11/5 | 4.29/5 |
| Vol 8 | 1.94/5 | 4.14/5 |
| Vol 9 | 1.93/5 | 3.33/5 |
| Vol 10 | 1.96/5 | 3.91/5 |
| Vol 11 | 2.00/5 | 3.91/5 |
| Vol 12 | 2.53/5 | 4.38/5 |
| Vol 13 | 2.06/5 | 4.00/5 |
| Vol 14 | 1.95/5 | 3.17/5 |
| Vol 15 | 2.12/5 | 3.91/5 |
| Vol 16 | 1.88/5 | 3.57/5 |
| Vol 17 | 2.00/5 | 3.87/5 |
| Vol 18 | 2.13/5 | 3.44/5 |
| Vol 19 | 2.40/5 | 4.14/5 |
| Vol 20 | 2.03/5 | 3.85/5 |
| Vol 21 | 2.32/5 | 4.19/5 |
| Vol 22 | 2.35/5 | 4.27/5 |
| Overall | 2.12/5 | 4.38/5 |