| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 1.40/5 | 2.89/5 |
| Vol 2 | 1.34/5 | 2.52/5 |
| Vol 3 | 1.52/5 | 3.57/5 |
| Vol 4 | 1.56/5 | 4.02/5 |
| Vol 5 | 1.47/5 | 3.00/5 |
| Vol 6 | 1.36/5 | 2.68/5 |
| Vol 7 | 1.50/5 | 4.00/5 |
| Vol 8 | 1.54/5 | 4.17/5 |
| Vol 9 | 1.62/5 | 3.15/5 |
| Vol 10 | 1.60/5 | 2.99/5 |
| Vol 11 | 1.66/5 | 4.23/5 |
| Vol 12 | 1.71/5 | 4.03/5 |
| Vol 13 | 1.98/5 | 4.23/5 |
| Vol 14 | 1.77/5 | 3.80/5 |
| Vol 15 | 1.73/5 | 4.02/5 |
| Vol 16 | 1.43/5 | 2.80/5 |
| Overall | 1.57/5 | 4.23/5 |