| Year | GDP (billion dollars) in Washington | GDP (billion dollars) in Beijing |
| 2005 | 92.99 | 86.362 |
| 2006 | 94.94 | 103.958 |
| 2007 | 97.35 | 134.803 |
| 2008 | 100.56 | 162.628 |
| 2009 | 99.26 | 177.983 |
| 2010 | 102.02 | 213.109 |
| 2011 | 104 | 257.93 |
| 2012 | 104.04 | 284.455 |
| 2013 | 103.41 | 324.768 |
| 2014 | 105.02 | 348.599 |