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 government says the United States economy shrank at an annual rate of one percent in April,May and June.

VOA: special.2009.08.28

Geithner noted that the drop in unemployment follows word that the U.S.economy expanded at an annual rate of 5.7 percent at the end of 2009.

VOA: standard.2010.02.07

Chrysler even predicted that May sales would hit an annual rate of 15.5 million.

NPR: US Auto Sales See Big Gains In May

Federal personal income tax revenues grew at an annual rate of over 8% from 1921-1928.

FORBES: The Obama Administration's Bad Spin On Taxes

The number of properties started was running at an annual rate of more than one million.

BBC: US housing starts best since June 2008