| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 1.80/5 | 3.92/5 |
| Vol 2 | 1.77/5 | 3.89/5 |
| Vol 3 | 2.02/5 | 3.86/5 |
| Vol 4 | 1.83/5 | 4.17/5 |
| Vol 5 | 1.72/5 | 4.00/5 |
| Vol 6 | 1.91/5 | 4.14/5 |
| Vol 7 | 1.84/5 | 4.00/5 |
| Vol 8 | 2.04/5 | 4.35/5 |
| Vol 9 | 1.86/5 | 4.09/5 |
| Vol 10 | 1.92/5 | 3.62/5 |
| Vol 11 | 1.83/5 | 4.06/5 |
| Vol 12 | 1.62/5 | 2.79/5 |
| Vol 13 | 2.06/5 | 4.19/5 |
| Vol 14 | 1.80/5 | 4.14/5 |
| Vol 15 | 1.90/5 | 3.38/5 |
| Vol 16 | 1.59/5 | 2.95/5 |
| Vol 17 | 1.67/5 | 4.00/5 |
| Vol 18 | 1.59/5 | 2.91/5 |
| Overall | 1.82/5 | 4.35/5 |