| 2014 | 2015 |
2016 |
2017 | 2018 | 2019 | |
| US$. Mn |
US$. Mn | US$. Mn | US$. Mn | US$. Mn | US$. Mn | |
| Chapter 61 | 116.8 |
91.4 |
88.3 | 103.0 | 100.0 | 124.0 |
| Chapter 62 | 96.8 | 78.7 | 75.7 | 84.0 | 86.0 | 94.0 |
| Chapter 63 | 2.3 | 3.3 | 3.5 | 3.0 | 5.0 | 5.0 |
| Total | 215.9 | 173.4 | 167.5 | 190.0 | 191.0 | 223.0 |
