Annual Statistical Supplement - 2011
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The Annual Statistical Supplement, 2011 includes the most comprehensive data available on the Social Security and Supplemental Security Income programs. More than 250...
2011年年度统计增刊收录了现有针对社会保障（Social Security）与补充保障收入（Supplemental Security Income）项目的最全面的统计资料，涵盖超过250项……
