| 年份 | 贸易额(占国民生产总值比例) |
|---|---|
| 2022 | — |
| 2021 | 62.983123260711 |
| 2020 | 55.286286205875 |
| 2019 | 59.878980223455 |
| 2018 | 60.303551242662 |
| 2017 | 58.604175947292 |
| 2016 | 55.367602814222 |
| 2015 | 56.418176161609 |
| 2014 | 55.322115150642 |
| 2013 | 54.867579396774 |
| 2012 | 55.654720844602 |
| 2011 | 55.145522460027 |
| 2010 | 52.006188374282 |