|      |   hit_rates |
|:-----|------------:|
| 0.5s |    0.460409 |
| 1.0s |    0.633097 |
| 2.0s |    0.733979 |
| 3.0s |    0.80848  |
| 4.0s |    0.851056 |
| 5.0s |    0.878597 |