| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.17/5 | 4.24/5 |
| Vol 2 | 2.24/5 | 4.18/5 |
| Vol 3 | 2.25/5 | 4.40/5 |
| Vol 4 | 2.10/5 | 4.39/5 |
| Vol 5 | 1.85/5 | 4.14/5 |
| Vol 6 | 1.89/5 | 4.14/5 |
| Vol 7 | 2.27/5 | 4.28/5 |
| Vol 8 | 2.03/5 | 4.23/5 |
| Vol 9 | 2.16/5 | 4.22/5 |
| Vol 10 | 2.31/5 | 4.36/5 |
| Vol 11 | 2.16/5 | 4.45/5 |
| Vol 12 | 2.03/5 | 4.03/5 |
| Vol 13 | 2.29/5 | 4.45/5 |
| Vol 14 | 1.89/5 | 4.06/5 |
| Vol 15 | 2.15/5 | 4.25/5 |
| Vol 16 | 2.20/5 | 4.17/5 |
| Vol 17 | 1.86/5 | 4.29/5 |
| Vol 18 | 1.78/5 | 4.19/5 |
| Vol 19 | 2.27/5 | 4.50/5 |
| Vol 20 | 1.91/5 | 4.29/5 |
| Overall | 2.09/5 | 4.50/5 |