| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.48/5 | 4.39/5 |
| Vol 2 | 3.63/5 | 4.47/5 |
| Vol 3 | 3.46/5 | 4.41/5 |
| Vol 4 | 3.71/5 | 4.49/5 |
| Vol 5 | 3.48/5 | 4.43/5 |
| Vol 6 | 3.77/5 | 4.52/5 |
| Vol 7 | 3.78/5 | 4.53/5 |
| Vol 8 | 3.77/5 | 4.52/5 |
| Vol 9 | 3.37/5 | 4.30/5 |
| Vol 10 | 3.60/5 | 4.42/5 |
| Vol 11 | 3.68/5 | 4.46/5 |
| Vol 12 | 3.62/5 | 4.49/5 |
| Vol 13 | 3.87/5 | 4.55/5 |
| Vol 14 | 3.55/5 | 4.42/5 |
| Vol 15 | 3.77/5 | 4.52/5 |
| Vol 16 | 3.82/5 | 4.54/5 |
| Vol 17 | 3.64/5 | 4.44/5 |
| Vol 18 | 3.68/5 | 4.45/5 |
| Vol 19 | 3.73/5 | 4.50/5 |
| Vol 20 | 3.82/5 | 4.53/5 |
| Vol 21 | 3.90/5 | 4.56/5 |
| Vol 22 | 3.83/5 | 4.55/5 |
| Vol 23 | 3.80/5 | 4.54/5 |
| Overall | 3.69/5 | 4.56/5 |