| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 1.72/5 | 3.00/5 |
| Vol 2 | 1.93/5 | 4.00/5 |
| Vol 3 | 1.89/5 | 3.27/5 |
| Vol 4 | 2.10/5 | 3.53/5 |
| Vol 5 | 1.88/5 | 4.03/5 |
| Vol 6 | 1.74/5 | 2.97/5 |
| Vol 7 | 2.07/5 | 4.00/5 |
| Vol 8 | 1.91/5 | 3.87/5 |
| Vol 9 | 2.03/5 | 4.03/5 |
| Vol 10 | 1.77/5 | 3.90/5 |
| Vol 11 | 1.86/5 | 3.38/5 |
| Vol 12 | 1.80/5 | 3.00/5 |
| Vol 13 | 2.30/5 | 4.27/5 |
| Vol 14 | 2.17/5 | 4.12/5 |
| Vol 15 | 1.95/5 | 4.12/5 |
| Vol 16 | 2.26/5 | 4.21/5 |
| Vol 17 | 1.54/5 | 2.80/5 |
| Vol 18 | 1.60/5 | 2.86/5 |
| Vol 19 | 1.63/5 | 4.00/5 |
| Vol 20 | 1.51/5 | 2.67/5 |
| Overall | 1.88/5 | 4.27/5 |