| 年份 | 贸易额(占国民生产总值比例) |
|---|---|
| 2022 | — |
| 2021 | 56.217979682007 |
| 2020 | 50.800981530196 |
| 2019 | 54.054766393322 |
| 2018 | 54.627711583561 |
| 2017 | 53.535931829374 |
| 2016 | 55.861257504878 |
| 2015 | 56.726676144716 |
| 2014 | 59.499574055059 |
| 2013 | 58.875027630051 |
| 2012 | 55.582617193334 |
| 2011 | 54.636350435897 |
| 2010 | 50.4060871626 |