| 年份 | 分类 | 数值(十亿美元) |
| 2005 | Government social benefits | 1,502.50 |
| 2006 | Government social benefits | 1,605.40 |
| 2007 | Government social benefits | 1,710.60 |
| 2008 | Government social benefits | 1,934.80 |
| 2009 | Government social benefits | 2,123.70 |
| 2010 | Government social benefits | 2,297.90 |
| 2011 | Government social benefits | 2,327.20 |
| 2012 | Government social benefits | 2,340.50 |
| 2013 | Government social benefits | 2,404.80 |
| 2014 | Government social benefits | 2,516.70 |
| 2015 | Government social benefits | 2,652.90 |
| 2016 | Government social benefits | 2,738.30 |
| 2017 | Government social benefits | 2,825.80 |