| 年份 | 贸易额(占国民生产总值比例) |
|---|---|
| 2022 | — |
| 2021 | 39.1761221482 |
| 2020 | 32.890452104454 |
| 2019 | 28.890257869295 |
| 2018 | 28.876203374547 |
| 2017 | 24.319734374675 |
| 2016 | 24.53368208044 |
| 2015 | 26.953625936011 |
| 2014 | 24.68540581832 |
| 2013 | 25.785957325533 |
| 2012 | 25.114273612807 |
| 2011 | 23.93440517761 |
| 2010 | 22.772178112005 |