| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-21 | 0.61/5 | 3.24/5 |
| Ep 22-42 | 0.76/5 | 4.60/5 |
| Ep 43-63 | 0.62/5 | 3.40/5 |
| Ep 64-84 | 0.61/5 | 2.60/5 |
| Ep 85-105 | 0.64/5 | 3.95/5 |
| Ep 106-126 | 0.60/5 | 2.28/5 |
| Ep 127-147 | 0.61/5 | 3.47/5 |
| Ep 148-168 | 0.61/5 | 3.25/5 |
| Ep 169-189 | 0.62/5 | 3.96/5 |
| Ep 190-210 | 0.63/5 | 3.27/5 |
| Ep 211-231 | 0.61/5 | 3.37/5 |
| Ep 232-252 | 0.66/5 | 3.76/5 |
| Ep 253-273 | 0.74/5 | 4.28/5 |
| Ep 274-294 | 0.65/5 | 2.78/5 |
| Ep 295-315 | 0.62/5 | 4.22/5 |
| Ep 316-336 | 0.75/5 | 4.39/5 |
| Ep 337-357 | 0.62/5 | 3.69/5 |
| Ep 358-378 | 0.62/5 | 3.96/5 |
| Ep 379-399 | 0.62/5 | 3.35/5 |
| Ep 400-420 | 0.61/5 | 2.36/5 |
| Ep 421-441 | 0.65/5 | 4.11/5 |
| Ep 442-462 | 0.65/5 | 4.09/5 |
| Ep 463-483 | 0.61/5 | 2.88/5 |
| Ep 484-504 | 0.62/5 | 3.28/5 |
| Ep 505-519 | 0.62/5 | 3.17/5 |
| Overall | 0.64/5 | 4.60/5 |