| 2015 | 2016 |
2017 |
2018 | 2019 | 2020 | |
| US$. Mn |
US$. Mn | US$. Mn | US$. Mn | US$. Mn | US$. Mn | |
| Chapter 61 | 104.0 |
104.0 |
110.0 | 130.0 | 124.0 | 69.04 |
| Chapter 62 | 79.0 | 61.0 | 75.0 | 86.0 | 81.0 | 39.03 |
| Chapter 63 | 1.0 | 2.0 | 2.0 | 2.0 | 3.0 | 11.47 |
| Total | 184.0 | 167.0 | 187.0 | 218.0 | 208.0 | 119.54 |
