Whereas United States economic productivity grew at an annual rate of 3 percent from 1945 to 1965, it has grown at an annual rate of only about 1 percent since the early 1970s.

从1945年到1965年，美国的经济生产力以每年3%的速度增长，而自1970年代初以来，它的年增长率仅为1%左右。

youdao

Over the past three decades, the number of students leaving home each year to study abroad has grown at an annual rate of 3.9 percent, from 800,000 in 1975 to 3.5 million in 2008．

在过去的30年里，每年出国留学的学生人数以每年3.9%的速度增长，从1975年的80万人增长到2008年的350万人。

youdao

Over the past three decades the number of students leaving home each year to study abroad has grown at an annual rate of 3.9 percent, from 800,000 in 1975 to 3.5 million in 2008．

在过去的30年里，每年出国留学的学生人数以每年3.9%的速度增长，从1975年的80万人增长到2008年的350万人。

youdao

The economy has now grown at a rate of 3.1% over the last four quarters.

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Over the last three years, craft beer sales have grown at a rate of nearly 30%.

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Africa has grown at a rate greater than the global average GDP for a dozen years, says Emerging Capital Partners.

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