然而1973至2007年间，这项数据仅仅增长了22%——而这个增长是由双职工家庭数目增多引起。
Between 1973 and 2007, however, it grew by only 22%-and this thanks to the rise of two-worker households.
分数由0至10不等，分数越高表明生产效率高更或可持续增长能力更强。
The scores can range from 0 to 10, with higher scores indicating higher productivity or sustainable growth.
腾讯表示，公司第三季度净利润同比增长了52%，至22亿元人民币，主要是由旗下网络游戏业务营收的增长。
Tencent said net profit in the third quarter rose 52 per cent compared with the same period last year to Rmb2.2bn, mainly on growing revenues from its online gaming business.
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