In the past, every ten-percentage-point increase in cigarette prices in the country of Coponia has decreased per capita sales of cigarettes by four percent.
过去，科普尼亚的香烟价格每上涨10个百分点，人均香烟销量就会下降4%。
2
In America, a one-percentagepoint increase in the proportion of immigrants in the population made the native-born 0.05% better off.
在美国，移民在人口中所占比例每增加一个百分点，本土出生的人口生活水平就会提高0.05%。
3
The uninhibited spread of HIV would diminish the economy's long-term growth rate, taking off half a percentagepoint annually by 2010 and a full percentagepoint annually by 2020.