| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.97/5 | 4.55/5 |
| Vol 2 | 2.93/5 | 4.55/5 |
| Vol 3 | 2.70/5 | 4.43/5 |
| Vol 4 | 2.83/5 | 4.50/5 |
| Vol 5 | 2.81/5 | 4.45/5 |
| Vol 6 | 2.67/5 | 4.45/5 |
| Vol 7 | 2.80/5 | 4.52/5 |
| Vol 8 | 2.87/5 | 4.51/5 |
| Vol 9 | 2.97/5 | 4.55/5 |
| Vol 10 | 2.79/5 | 4.49/5 |
| Vol 11 | 2.80/5 | 4.49/5 |
| Vol 12 | 3.44/5 | 4.57/5 |
| Vol 13 | 2.85/5 | 4.53/5 |
| Vol 14 | 2.90/5 | 4.54/5 |
| Vol 15 | 2.78/5 | 4.43/5 |
| Vol 16 | 2.72/5 | 4.48/5 |
| Vol 17 | 2.95/5 | 4.55/5 |
| Vol 18 | 2.65/5 | 4.39/5 |
| Vol 19 | 2.95/5 | 4.53/5 |
| Vol 20 | 3.87/5 | 4.59/5 |
| Vol 21 | 2.85/5 | 4.51/5 |
| Vol 22 | 2.56/5 | 4.38/5 |
| Vol 23 | 2.87/5 | 4.41/5 |
| Vol 24 | 2.59/5 | 4.36/5 |
| Vol 25 | 2.81/5 | 4.52/5 |
| Overall | 2.88/5 | 4.59/5 |