查询结果如下：   

年份	分类	数值（百万美元）
2005	Employer contributions for government social insurance	428,062.00
2006	Employer contributions for government social insurance	447,306.00
2007	Employer contributions for government social insurance	461,669.00
2008	Employer contributions for government social insurance	471,406.00
2009	Employer contributions for government social insurance	458,098.00
2010	Employer contributions for government social insurance	469,000.00
2011	Employer contributions for government social insurance	492,742.00
2012	Employer contributions for government social insurance	513,293.00
2013	Employer contributions for government social insurance	526,309.00
2014	Employer contributions for government social insurance	546,706.00
2015	Employer contributions for government social insurance	569,667.00
2016	Employer contributions for government social insurance	581,353.00
2017	Employer contributions for government social insurance	605,281.00