The mine reportedly had an accidentrate treble the national average.
据报道，那个矿的事故发生率是全国平均水平的三倍。
《柯林斯英汉双解大词典》
2
Changing the clocks, however, does not actually increase the amount of driving done in the dark, so it is unlikely to have any effect on Benovia's automobile accidentrate.