| 年份 | 贸易额(占国民生产总值比例) |
|---|---|
| 2022 | — |
| 2021 | 37.468958236895 |
| 2020 | 34.754295776048 |
| 2019 | 35.890096034265 |
| 2018 | 37.565784102096 |
| 2017 | 37.6324132405 |
| 2016 | 36.894415017031 |
| 2015 | 39.464169335245 |
| 2014 | 44.90521595435 |
| 2013 | 46.744375577312 |
| 2012 | 48.267522367381 |
| 2011 | 50.740904586359 |
| 2010 | 50.717077662737 |