| 2015 | 2016 |
2017 |
2018 | 2019 | 2020 | |
| US$. Mn |
US$. Mn | US$. Mn | US$. Mn | US$. Mn | US$. Mn | |
| Chapter 61 | 82.88 |
86.0 |
105.0 | 106.0 | 104.0 | 116.17 |
| Chapter 62 | 59.02 | 56.0 | 76.0 | 77.0 | 68.0 | 65.35 |
| Chapter 63 | 2.96 | 2.0 | 4.0 | 5.0 | 4.0 | 4.56 |
| Total | 144.86 | 144.0 | 185.0 | 188.0 | 176.0 | 186.08 |
