| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 1.58/5 | 4.00/5 |
| Vol 2 | 1.56/5 | 3.52/5 |
| Vol 3 | 1.87/5 | 4.12/5 |
| Vol 4 | 1.73/5 | 3.40/5 |
| Vol 5 | 2.00/5 | 4.09/5 |
| Vol 6 | 1.62/5 | 2.90/5 |
| Vol 7 | 1.95/5 | 4.00/5 |
| Vol 8 | 1.71/5 | 4.17/5 |
| Vol 9 | 1.80/5 | 3.90/5 |
| Vol 10 | 1.64/5 | 2.82/5 |
| Vol 11 | 1.92/5 | 4.13/5 |
| Vol 12 | 1.60/5 | 3.00/5 |
| Vol 13 | 1.98/5 | 4.12/5 |
| Vol 14 | 2.22/5 | 4.14/5 |
| Vol 15 | 2.22/5 | 4.18/5 |
| Vol 16 | 2.24/5 | 3.91/5 |
| Vol 17 | 2.03/5 | 3.72/5 |
| Vol 18 | 1.93/5 | 4.01/5 |
| Vol 19 | 1.94/5 | 4.44/5 |
| Vol 20 | 1.94/5 | 4.17/5 |
| Overall | 1.87/5 | 4.44/5 |