| Share | Phrase |
|---|
| 61.94% | recent [chronology] year |
| 6.29% | recent [chronology] development |
| 3.33% | recent [chronology] trend |
| 3.19% | recent [chronology] change |
| 2.76% | recent [chronology] time |
| 1.94% | recent [chronology] value |
| 1.61% | recent [chronology] advance |
| 1.61% | recent [chronology] emphasis |
| 1.52% | recent [chronology] requirement |
| 1.44% | recent [chronology] legislation |
| 1.40% | recent [chronology] effort |
| 1.37% | recent [chronology] engine |
| 1.26% | recent [chronology] system |
| 1.26% | recent [chronology] example |
| 1.25% | recent [chronology] study |
| 1.14% | recent [chronology] design |
| 1.14% | recent [chronology] regulation |
| 1.07% | more [degree] recent |
| 0.96% | recent [chronology] osc |
| 0.91% | recent [chronology] vehicle |
| 0.91% | recent [chronology] automobile |
| 0.71% | recent [chronology] attempt |
| 0.67% | recent [chronology] increase |
| 0.21% | more recent |