经过北极地区的候鸟数量平均下降了6%，尽管“急剧增加”的某些迁徙大雁种群使这个数据有所偏差。
Migratory birds that pass through the Arctic have decreased an average of 6 percent, although that number is skewed by a "dramatic increase" in some populations of migratory geese.
如果把实验面向相同体型的人，这个数据将会下降。
Adjusting the experiment to only include people of equal size, that number dropped.
然后为每个工人的小时数做了调整。这个数据一直在下降，很大程度上是因为非全日制就业最近的上升。
Then adjust for hours per worker, which have been declining, largely because of the recent rise of part-time employment.
科学家说，全球温室气体排放量每年增加百分之三，这个数据必须开始下降以防对气候产生更恶劣的影响。
Global greenhouse gas emissions are increasing at about 3 percent a year and must start falling within a decade to avoid the worst effects of climate change, scientists say.
粮农组织预测产量为6.51亿吨，较此前的估计下降了3.7%，不过它说，这个数据代表了充足的小麦供应。
It pegged production at 651 million metric tons, down 3.7% from its previous estimate, but said that figure represented an adequate supply of the food staple.
美国人的储蓄已经增长到了GDP的4%(危机爆发之时这个数据为零)，而中国的经常账户余额从占gdp的10%下降到了6.5%。
S. savings rate has increased to about 4% of GDP (from zero at the recession's onset), and China's current account surplus has fallen from 10% of GDP to about 6.5% of GDP.
这个数据甚至在中期选举时下降到35%至40%。
And that number tumbles to about 35% to 40% in midterm elections.
但是不断下降的生育率则表明到2050年美国将会出现2.6个美国人供养一个领取养老金的退休职工，而这个数据在法国、德国以及意大利则分别是1.9,1.6和1.5。
But declining fertility rates imply that by 2050 there will be just 2.6 American workers supporting each pensioner and the figures for France, Germany and Italy will be 1.9, 1.6 and 1.5 respectively.
而今年，这个数据会下降到350000人，仅为峰值年份的五分之一。
This year's figure will be under 350,000; a fifth of the peak.
十二月十日的数据表明，十一月的出口比去年同期下降了2.2%，这个数据令人震惊，分析人士之前的预期是增长15％；
Figures announced on December 10th showed that exports fell by a startling 2.2% in November, compared with a year earlier.
十二月十日的数据表明，十一月的出口比去年同期下降了2.2%，这个数据令人震惊，分析人士之前的预期是增长15％；
Figures announced on December 10th showed that exports fell by a startling 2.2% in November, compared with a year earlier.
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