| Year | China export (100M USD) | China import (100M USD) | Total volume (100M USD) | Balance |
| 2015 | 266.7 | 189.8 | 456.5 | −76.9 |
| 2016 | 298.3 | 173.7 | 472 | −124.6 |
| 2017 | 320.4 | 192.3 | 512.7 | −128.1 |
| 2018 | 350.6 | 206.1 | 556.7 | −144.5 |
| 2019 | 407.5 | 202 | 609.5 | −205.5 |
| 2020 | 418.4 | 193.1 | 611.5 | −225.3 |
| 2021 | 572.85 | 247.61 | 820.46 | −325.24 |
| 2022 | 646.7 | 230.4 | 878.1 | −417.3 |