| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.90/5 | 4.20/5 |
| Vol 2 | 2.93/5 | 4.18/5 |
| Vol 3 | 2.95/5 | 4.12/5 |
| Vol 4 | 2.96/5 | 4.19/5 |
| Vol 5 | 2.68/5 | 4.10/5 |
| Vol 6 | 3.06/5 | 4.23/5 |
| Vol 7 | 2.53/5 | 4.12/5 |
| Vol 8 | 3.19/5 | 4.24/5 |
| Vol 9 | 3.38/5 | 4.31/5 |
| Vol 10 | 3.30/5 | 4.29/5 |
| Vol 11 | 2.56/5 | 4.05/5 |
| Vol 12 | 3.06/5 | 4.21/5 |
| Vol 13 | 2.60/5 | 4.00/5 |
| Vol 14 | 3.31/5 | 4.27/5 |
| Vol 15 | 2.75/5 | 4.16/5 |
| Vol 16 | 2.68/5 | 4.15/5 |
| Vol 17 | 2.60/5 | 3.94/5 |
| Overall | 2.91/5 | 4.31/5 |