| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.41/5 | 4.41/5 |
| Vol 2 | 3.80/5 | 4.59/5 |
| Vol 3 | 2.97/5 | 4.57/5 |
| Vol 4 | 2.57/5 | 4.40/5 |
| Vol 5 | 4.00/5 | 4.60/5 |
| Vol 6 | 2.95/5 | 4.54/5 |
| Vol 7 | 3.55/5 | 4.57/5 |
| Vol 8 | 3.21/5 | 4.52/5 |
| Vol 9 | 3.36/5 | 4.56/5 |
| Vol 10 | 3.91/5 | 4.59/5 |
| Vol 11 | 4.10/5 | 4.64/5 |
| Vol 12 | 2.71/5 | 4.48/5 |
| Vol 13 | 3.60/5 | 4.58/5 |
| Vol 14 | 2.73/5 | 4.47/5 |
| Vol 15 | 4.01/5 | 4.61/5 |
| Vol 16 | 3.71/5 | 4.59/5 |
| Vol 17 | 4.11/5 | 4.64/5 |
| Vol 18 | 4.05/5 | 4.62/5 |
| Vol 19 | 3.80/5 | 4.58/5 |
| Vol 20 | 3.75/5 | 4.58/5 |
| Vol 21 | 4.09/5 | 4.63/5 |
| Vol 22 | 3.61/5 | 4.56/5 |
| Vol 23 | 3.31/5 | 4.55/5 |
| Overall | 3.49/5 | 4.64/5 |