| 2016 | 2017 |
2018 |
2019 | 2020 | 2021 | |
| US$. Mn |
US$. Mn | US$. Mn | US$. Mn | US$. Mn | US$. Mn | |
| Chapter 61 | 218.55 |
173.0 |
178.0 | 188.24 | 198.06 | 222.36 |
| Chapter 62 | 158.94 | 131.0 | 150.0 | 161.0 | 159.04 | 127.93 |
| Chapter 63 | 5.89 | 6.0 | 7.0 | 8.29 | 9.96 | 10.57 |
| Total | 383.38 | 310.0 | 335.0 | 357.53 | 367.06 | 360.86 |
