| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.87/5 | 4.58/5 |
| Vol 2 | 3.00/5 | 4.58/5 |
| Vol 3 | 2.30/5 | 4.54/5 |
| Vol 4 | 2.50/5 | 4.53/5 |
| Vol 5 | 2.17/5 | 4.46/5 |
| Vol 6 | 2.09/5 | 4.52/5 |
| Vol 7 | 3.00/5 | 4.59/5 |
| Vol 8 | 1.78/5 | 4.38/5 |
| Vol 9 | 2.39/5 | 4.51/5 |
| Vol 10 | 2.05/5 | 4.44/5 |
| Vol 11 | 1.84/5 | 4.27/5 |
| Vol 12 | 1.81/5 | 4.45/5 |
| Vol 13 | 2.25/5 | 4.45/5 |
| Vol 14 | 2.11/5 | 4.45/5 |
| Vol 15 | 2.56/5 | 4.56/5 |
| Vol 16 | 2.62/5 | 4.55/5 |
| Vol 17 | 1.87/5 | 4.45/5 |
| Vol 18 | 1.79/5 | 4.44/5 |
| Vol 19 | 1.87/5 | 4.42/5 |
| Vol 20 | 2.22/5 | 4.29/5 |
| Vol 21 | 2.00/5 | 4.50/5 |
| Vol 22 | 1.91/5 | 4.43/5 |
| Vol 23 | 3.00/5 | 4.58/5 |
| Overall | 2.26/5 | 4.59/5 |