| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-44 | 2.57/5 | 3.82/5 |
| Ep 45-88 | 2.57/5 | 3.67/5 |
| Ep 89-132 | 2.67/5 | 3.92/5 |
| Ep 133-176 | 2.65/5 | 4.17/5 |
| Ep 177-220 | 2.60/5 | 4.42/5 |
| Ep 221-264 | 2.68/5 | 4.44/5 |
| Ep 265-308 | 2.67/5 | 4.47/5 |
| Ep 309-352 | 2.62/5 | 3.90/5 |
| Ep 353-396 | 2.62/5 | 4.30/5 |
| Ep 397-440 | 2.68/5 | 4.20/5 |
| Ep 441-484 | 2.72/5 | 4.24/5 |
| Ep 485-528 | 2.83/5 | 4.13/5 |
| Ep 529-572 | 2.88/5 | 4.34/5 |
| Ep 573-616 | 2.97/5 | 4.37/5 |
| Ep 617-660 | 2.70/5 | 4.08/5 |
| Ep 661-704 | 2.66/5 | 4.07/5 |
| Ep 705-748 | 2.78/5 | 4.51/5 |
| Ep 749-792 | 2.59/5 | 4.54/5 |
| Ep 793-836 | 2.76/5 | 4.53/5 |
| Ep 837-880 | 2.87/5 | 4.47/5 |
| Ep 881-924 | 3.07/5 | 4.59/5 |
| Ep 925-968 | 2.98/5 | 4.56/5 |
| Ep 969-1012 | 2.83/5 | 4.49/5 |
| Ep 1013-1056 | 2.77/5 | 4.33/5 |
| Ep 1057-1088 | 2.64/5 | 4.22/5 |
| Overall | 2.74/5 | 4.59/5 |