| 年份 | 贸易额(占国民生产总值比例) |
|---|---|
| 2022 | — |
| 2021 | 52.16700809641 |
| 2020 | 46.030865613637 |
| 2019 | 49.228753661903 |
| 2018 | 51.580900370396 |
| 2017 | 46.876524337131 |
| 2016 | 46.51811983961 |
| 2015 | 49.359349311689 |
| 2014 | 47.801341262812 |
| 2013 | 46.287149400499 |
| 2012 | 47.151390385796 |
| 2011 | 48.035399407792 |
| 2010 | 50.355505487368 |