| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.56/5 | 4.56/5 |
| Vol 2 | 3.95/5 | 4.74/5 |
| Vol 3 | 3.12/5 | 4.72/5 |
| Vol 4 | 2.72/5 | 4.55/5 |
| Vol 5 | 4.15/5 | 4.75/5 |
| Vol 6 | 3.10/5 | 4.69/5 |
| Vol 7 | 3.70/5 | 4.72/5 |
| Vol 8 | 3.36/5 | 4.67/5 |
| Vol 9 | 3.51/5 | 4.71/5 |
| Vol 10 | 4.06/5 | 4.74/5 |
| Vol 11 | 4.25/5 | 4.79/5 |
| Vol 12 | 2.86/5 | 4.63/5 |
| Vol 13 | 3.75/5 | 4.73/5 |
| Vol 14 | 2.88/5 | 4.62/5 |
| Vol 15 | 4.16/5 | 4.76/5 |
| Vol 16 | 3.86/5 | 4.74/5 |
| Vol 17 | 4.26/5 | 4.79/5 |
| Vol 18 | 4.20/5 | 4.77/5 |
| Vol 19 | 3.95/5 | 4.73/5 |
| Vol 20 | 3.90/5 | 4.73/5 |
| Vol 21 | 4.24/5 | 4.78/5 |
| Vol 22 | 3.76/5 | 4.71/5 |
| Vol 23 | 3.46/5 | 4.70/5 |
| Overall | 3.64/5 | 4.79/5 |