| 年份 | 类型 | 数值(千吨) |
| 2001 | United States : all sectors | 991,635.00 |
| 2002 | United States : all sectors | 1,005,144.00 |
| 2003 | United States : all sectors | 1,031,778.00 |
| 2004 | United States : all sectors | 1,044,798.00 |
| 2005 | United States : all sectors | 1,065,281.00 |
| 2006 | United States : all sectors | 1,053,783.00 |
| 2007 | United States : all sectors | 1,069,606.00 |
| 2008 | United States : all sectors | 1,064,503.00 |
| 2009 | United States : all sectors | 955,190.00 |
| 2010 | United States : all sectors | 1,001,411.00 |
| 2011 | United States : all sectors | 956,470.00 |
| 2012 | United States : all sectors | 845,066.00 |
| 2013 | United States : all sectors | 879,078.00 |
| 2014 | United States : all sectors | 871,741.00 |
| 2015 | United States : all sectors | 756,226.00 |
| 2016 | United States : all sectors | 693,958.00 |
| 2017 | United States : all sectors | 678,780.00 |