| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.72/5 | 4.43/5 |
| Vol 2 | 2.43/5 | 3.13/5 |
| Vol 3 | 2.68/5 | 3.95/5 |
| Vol 4 | 2.75/5 | 4.28/5 |
| Vol 5 | 2.76/5 | 4.35/5 |
| Vol 6 | 2.81/5 | 4.35/5 |
| Vol 7 | 2.86/5 | 4.49/5 |
| Vol 8 | 2.71/5 | 4.33/5 |
| Vol 9 | 2.93/5 | 4.43/5 |
| Vol 10 | 2.84/5 | 4.30/5 |
| Vol 11 | 2.81/5 | 4.25/5 |
| Vol 12 | 2.84/5 | 4.46/5 |
| Vol 13 | 2.87/5 | 4.46/5 |
| Vol 14 | 2.81/5 | 4.35/5 |
| Vol 15 | 2.89/5 | 4.52/5 |
| Vol 16 | 2.98/5 | 4.46/5 |
| Vol 17 | 2.87/5 | 4.46/5 |
| Vol 18 | 2.88/5 | 4.46/5 |
| Vol 19 | 2.97/5 | 4.57/5 |
| Overall | 2.82/5 | 4.57/5 |