Statistics show that a considerable part of the labor force reached only primary school education.

统计数字表明，相当一部分劳动力仅达到小学文化程度。

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Baby boomers, born between 1946 and 1964, currently make up at least one-third of our nation's work force, according to the Bureau of Labor Statistics.

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The self-employment rate for adults 55 and older is 16.4 percent, according to the Bureau of Labor Statistics, well above the 10.4 percent rate of self-employment for the total labor force.

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