| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 1.93/5 | 3.57/5 |
| Vol 2 | 1.91/5 | 3.46/5 |
| Vol 3 | 1.77/5 | 2.97/5 |
| Vol 4 | 1.60/5 | 2.79/5 |
| Vol 5 | 1.51/5 | 2.88/5 |
| Vol 6 | 1.45/5 | 2.76/5 |
| Vol 7 | 2.02/5 | 2.92/5 |
| Vol 8 | 2.20/5 | 3.36/5 |
| Vol 9 | 2.00/5 | 3.58/5 |
| Vol 10 | 1.79/5 | 3.38/5 |
| Vol 11 | 2.00/5 | 3.13/5 |
| Vol 12 | 1.82/5 | 4.14/5 |
| Vol 13 | 1.87/5 | 3.00/5 |
| Vol 14 | 2.00/5 | 4.09/5 |
| Overall | 1.85/5 | 4.14/5 |