| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.00/5 | 4.16/5 |
| Vol 2 | 2.63/5 | 4.38/5 |
| Vol 3 | 4.01/5 | 4.50/5 |
| Vol 4 | 2.40/5 | 4.30/5 |
| Vol 5 | 3.93/5 | 4.47/5 |
| Vol 6 | 3.84/5 | 4.44/5 |
| Vol 7 | 3.45/5 | 4.40/5 |
| Vol 8 | 2.25/5 | 4.28/5 |
| Vol 9 | 3.93/5 | 4.47/5 |
| Vol 10 | 3.52/5 | 4.40/5 |
| Vol 11 | 2.65/5 | 4.35/5 |
| Vol 12 | 3.60/5 | 4.41/5 |
| Vol 13 | 3.54/5 | 4.40/5 |
| Vol 14 | 3.28/5 | 4.40/5 |
| Vol 15 | 3.37/5 | 4.40/5 |
| Vol 16 | 2.83/5 | 4.34/5 |
| Vol 17 | 3.46/5 | 4.39/5 |
| Vol 18 | 3.93/5 | 4.47/5 |
| Overall | 3.24/5 | 4.50/5 |