| 2015 | 2016 |
2017 |
2018 | 2019 | 2020 | |
| US$. Mn |
US$. Mn | US$. Mn | US$. Mn | US$. Mn | US$. Mn | |
| Chapter 61 | 111.82 |
96.0 |
110.0 | 112.0 | 101.10 | 96.98 |
| Chapter 62 | 93.07 | 100.0 | 90.0 | 91.0 | 92.16 | 64.17 |
| Chapter 63 | 1.76 | 2.0 | 2.0 | 2.0 | 3.22 | 3.65 |
| Total | 206.65 | 198.0 | 202.0 | 205.0 | 196.48 | 164.80 |
