| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.78/5 | 4.36/5 |
| Vol 2 | 3.01/5 | 4.42/5 |
| Vol 3 | 3.20/5 | 4.53/5 |
| Vol 4 | 2.93/5 | 4.29/5 |
| Vol 5 | 3.52/5 | 4.65/5 |
| Vol 6 | 2.86/5 | 4.44/5 |
| Vol 7 | 3.24/5 | 4.57/5 |
| Vol 8 | 3.12/5 | 4.59/5 |
| Vol 9 | 3.06/5 | 4.50/5 |
| Vol 10 | 3.51/5 | 4.63/5 |
| Vol 11 | 3.08/5 | 4.38/5 |
| Vol 12 | 3.58/5 | 4.66/5 |
| Vol 13 | 3.00/5 | 4.49/5 |
| Vol 14 | 2.88/5 | 4.42/5 |
| Vol 15 | 2.72/5 | 3.89/5 |
| Vol 16 | 3.37/5 | 4.59/5 |
| Vol 17 | 3.09/5 | 4.55/5 |
| Vol 18 | 2.07/5 | 4.17/5 |
| Vol 19 | 2.95/5 | 4.52/5 |
| Vol 20 | 3.10/5 | 4.57/5 |
| Vol 21 | 3.10/5 | 4.62/5 |
| Vol 22 | 3.11/5 | 4.55/5 |
| Overall | 3.10/5 | 4.66/5 |