Coal output per miner in Tribnia is double what it was five years ago, even though no new mines have opened.

尽管没有新煤矿投产，但 Tribnia 每个矿工的煤炭产量是五年前的两倍。

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At its peak in 2007 it was worth some $65 billion, reckons Clare McAndrew, founder of Arts Economics, a research firm—double the figure five years earlier.

Arts Economics 研究公司的创始人克莱尔·麦克安德鲁估算，在2007年的巅峰期，它的价值约为650亿美元，是五年前的两倍。

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Lightbox, Inc., owns almost all of the movie theaters in Washington County and has announced plans to double the number of movie screens it has in the county within five years.

Lightbox 公司几乎拥有华盛顿县所有的电影院，并宣布计划在五年内将该州的电影院数量增加一倍。

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It predicts counterfeit sales will reach seventy-five billion dollars worldwide this year nearly double the level of two thousand five.

VOA: special.2010.02.22

"It would double the public debt in five years, triple it in ten years - the highest percentage of GDP since after World War II.

VOA: standard.2009.03.22

Serve was again key with the Thai player hitting four aces and just one double-fault while the German had just one ace and five double-faults.

BBC: Blake books final place

In their recent match against Italy, Olympic champions Misty May-Treanor and Kerri Walsh Jennings racked up one high five, 16 low fives, six double-high and double-low fives, and five bum taps, for a total of 28 touches in the first 25 plays, an average of 1.12.

WSJ: Group Hug: Which Olympic Sport Wins Gold for Touchiest?

Many local five-year plans project double-digit annual growth rates, even though the central government is aiming for a modest average of 7.5% until 2010.

ECONOMIST: The economy just grows and grows