| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 1.94/5 | 2.95/5 |
| Vol 2 | 2.14/5 | 3.22/5 |
| Vol 3 | 1.78/5 | 2.92/5 |
| Vol 4 | 2.31/5 | 3.64/5 |
| Vol 5 | 1.80/5 | 2.83/5 |
| Vol 6 | 2.23/5 | 4.03/5 |
| Vol 7 | 2.29/5 | 4.09/5 |
| Vol 8 | 2.23/5 | 4.03/5 |
| Vol 9 | 2.28/5 | 4.03/5 |
| Vol 10 | 2.13/5 | 3.86/5 |
| Vol 11 | 2.44/5 | 4.03/5 |
| Vol 12 | 2.69/5 | 4.34/5 |
| Vol 13 | 1.98/5 | 3.13/5 |
| Vol 14 | 1.98/5 | 4.00/5 |
| Vol 15 | 2.27/5 | 4.23/5 |
| Vol 16 | 2.38/5 | 4.09/5 |
| Vol 17 | 1.67/5 | 3.13/5 |
| Overall | 2.15/5 | 4.34/5 |