| 2015 | 2016 |
2017 |
2018 | 2019 | 2020 | |
| US$. Mn |
US$. Mn | US$. Mn | US$. Mn | US$. Mn | US$. Mn | |
| Chapter 61 | 100.42 |
104.0 |
114.0 | 119.0 | 115.0 | 108.13 |
| Chapter 62 | 74.65 | 67.0 | 88.0 | 97.0 | 99.0 | 65.69 |
| Chapter 63 | 1.86 | 2.0 | 2.0 | 2.0 | 2.0 | 3.61 |
| Total | 176.93 | 173.0 | 204.0 | 218.0 | 216.0 | 177.43 |
