| 年份 | 进出口总额(亿元) | 出口总额(亿元) | 进口总额(亿元) | 差额(亿元) |
| 2000 | 39273.2 | 20634.4 | 18638.8 | 1995.6 |
| 2001 | 42183.6 | 22024.4 | 20159.2 | 1865.2 |
| 2002 | 51378.2 | 26947.9 | 24430.3 | 2517.6 |
| 2003 | 70483.5 | 36287.9 | 34195.6 | 2092.3 |
| 2004 | 95539.1 | 49103.3 | 46435.8 | 2667.5 |
| 2005 | 116921.8 | 62648.1 | 54273.7 | 8374.4 |
| 2006 | 140974.0 | 77597.2 | 63376.9 | 14220.3 |
| 2007 | 166863.7 | 93563.6 | 73300.1 | 20263.5 |
| 2008 | 179921.5 | 100394.9 | 79526.5 | 20868.4 |
| 2009 | 150648.1 | 82029.7 | 68618.4 | 13411.3 |
| 2010 | 201722.1 | 107022.8 | 94699.3 | 12323.5 |
| 2011 | 236402.0 | 123240.6 | 113161.4 | 10079.2 |
| 2012 | 244160.2 | 129359.3 | 114801.0 | 14558.3 |
| 2013 | 258168.9 | 137131.4 | 121037.5 | 16094.0 |
| 2014 | 264241.8 | 143883.8 | 120358.0 | 23525.7 |
| 2015 | 245502.9 | 141166.8 | 104336.1 | 36830.7 |
| 2016 | 243386.5 | 138419.3 | 104967.2 | 33452.1 |