| 2015 | 2016 |
2017 |
2018 | 2019 | 2020 | |
| US$. Mn |
US$. Mn | US$. Mn | US$. Mn | US$. Mn | US$. Mn | |
| Chapter 61 | 93.0 |
91.0 |
99.0 | 99.0 | 121.0 | 88.82 |
| Chapter 62 | 57.0 | 52.0 | 63.0 | 66.0 | 63.0 | 47.13 |
| Chapter 63 | 4.0 | 4.0 | 4.0 | 5.0 | 7.0 | 5.0 |
| Total | 154.0 | 147.0 | 166.0 | 170.0 | 191.0 | 140.95 |
