| 年份 | 贸易额(占国民生产总值比例) |
|---|---|
| 2022 | — |
| 2021 | 61.37327831813 |
| 2020 | 60.782530438234 |
| 2019 | 65.412362079424 |
| 2018 | 66.447716838606 |
| 2017 | 65.101060850465 |
| 2016 | 65.363684521556 |
| 2015 | 66.164902066978 |
| 2014 | 64.378662156492 |
| 2013 | 62.23107490134 |
| 2012 | 62.5955489395 |
| 2011 | 62.498738770833 |
| 2010 | 60.208121504448 |