| 年份 | 贸易额(占国民生产总值比例) |
|---|---|
| 2022 | — |
| 2021 | 37.379986490441 |
| 2020 | 31.358711628649 |
| 2019 | 35.179820201285 |
| 2018 | 36.632063848276 |
| 2017 | 34.423213572169 |
| 2016 | 31.310246845588 |
| 2015 | 35.42740835448 |
| 2014 | 37.431434568658 |
| 2013 | 33.978768650951 |
| 2012 | 30.470910917175 |
| 2011 | 30.19496072863 |
| 2010 | 28.498472693839 |