| 2015 | 2016 |
2017 |
2018 | 2019 | 2020 | |
| US$. Mn |
US$. Mn | US$. Mn | US$. Mn | US$. Mn | US$. Mn | |
| Chapter 61 | 90.38 |
98.93 |
86.0 | 86.0 | 93.0 | 100.29 |
| Chapter 62 | 74.31 | 79.18 | 66.0 | 74.0 | 81.0 | 81.39 |
| Chapter 63 | 2.73 | 2.47 | 3.0 | 3.0 | 4.0 | 5.01 |
| Total | 167.42 | 180.58 | 155.0 | 163.0 | 178.0 | 186.69 |
