自20世纪90年代中期以来，每员工产出平均每年只能增加0.7 % ， 过去二十年人均收入增长的一大半要归因于经济活跃人口比例的上升。
With output per employee increasing by just 0.7% per year, on average, since the mid-1990s, more than half of per capita income growth over the last two decades has resulted from an increase in the share of the economically active population.