| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.12/5 | 4.14/5 |
| Vol 2 | 3.52/5 | 4.37/5 |
| Vol 3 | 3.40/5 | 4.12/5 |
| Vol 4 | 3.29/5 | 4.19/5 |
| Vol 5 | 3.43/5 | 4.33/5 |
| Vol 6 | 3.34/5 | 4.25/5 |
| Vol 7 | 3.30/5 | 4.15/5 |
| Vol 8 | 3.36/5 | 4.23/5 |
| Vol 9 | 3.45/5 | 4.33/5 |
| Vol 10 | 3.46/5 | 4.28/5 |
| Vol 11 | 3.25/5 | 4.18/5 |
| Vol 12 | 3.54/5 | 4.37/5 |
| Vol 13 | 3.35/5 | 4.27/5 |
| Vol 14 | 3.26/5 | 4.09/5 |
| Vol 15 | 3.26/5 | 4.15/5 |
| Vol 16 | 3.21/5 | 4.10/5 |
| Vol 17 | 3.44/5 | 4.35/5 |
| Vol 18 | 3.41/5 | 4.30/5 |
| Vol 19 | 3.35/5 | 4.23/5 |
| Vol 20 | 3.30/5 | 4.16/5 |
| Vol 21 | 3.34/5 | 4.22/5 |
| Vol 22 | 3.46/5 | 4.23/5 |
| Overall | 3.36/5 | 4.37/5 |