| 2014 | 2015 |
2016 |
2017 | 2018 | 2019 | |
| US$. Mn |
US$. Mn | US$. Mn | US$. Mn | US$. Mn | US$. Mn | |
| Chapter 61 | 86.5 |
108.2 |
106.6 | 96.0 | 114.0 | 116.0 |
| Chapter 62 | 81.7 | 81.0 | 87.7 | 82.0 | 96.0 | 95.0 |
| Chapter 63 | 1.7 | 1.6 | 2.0 | 2.0 | 2.0 | 3.0 |
| Total | 169.9 | 190.8 | 196.4 | 180.0 | 212.0 | 214.0 |
