年份 | 分类 | 数值 |
2000 | United States : million dollars | 247,343.10 |
2001 | United States : million dollars | 249,410.50 |
2002 | United States : million dollars | 259,766.90 |
2003 | United States : million dollars | 270,119.20 |
2004 | United States : million dollars | 298,002.80 |
2005 | United States : million dollars | 326,506.00 |
2006 | United States : million dollars | 343,702.60 |
2007 | United States : million dollars | 363,583.10 |
2008 | United States : million dollars | 353,289.30 |
2009 | United States : million dollars | 368,918.10 |
2010 | United States : million dollars | 371,049.10 |
2011 | United States : million dollars | 363,687.50 |
2012 | United States : million dollars | 375,057.80 |
2013 | United States : million dollars | 393,096.40 |
2014 | United States : million dollars | 391,341.50 |
2015 | United States : million dollars | 381,434.60 |