China and India had intermediate five-year period prevalence rates of 16.2 and 23.1 per 100 000, respectively.

中国和印度五年期患病率居中，分别为每10万人16.2例和23.1例。

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In the same period, TB prevalence halved, from 215 to 108 per 100 000 population.

在同一时期，结核病患病率降低了一半，从每10万人口215例降到108例。

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With the time of being in the army and cumulative sun-exposure period, the prevalence of tanning, photoaging and polymorphous light eruption increased, while the prevalence of sunburn decreased.

晒黑、多形性日光疹和光老化患病率随着执勤官兵高原入伍时间延长而增高，随着累积日照时数增多而增高；

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In spite of dramatic differences in the rates of the four cancers by race and sex, as well as dramatic changes over the 35-year time period, there was little evidence of a correlation between prevalence of mentholated cigarette use and cancer rates.

FORBES: Will Removing Menthol From Cigarettes Improve Health?

The survey concluded that the "prevalence of hazardous and harmful drinking has declined since 2003, most notably in the 2003 to 2009 period".

BBC: Scottish Health Survey: Obesity still problem for Scots