| 2013 | 2014 |
2015 |
2016 | 2017 | 2018 | |
| US$. Mn |
US$. Mn | US$. Mn | US$. Mn | US$. Mn | US$. Mn | |
| Chapter 61 | 173.4 |
229.2 |
223.3 | 224.0 | 230.0 | 248.0 |
| Chapter 62 | 151.2 | 202.7 | 181.5 | 191.1 | 195.0 | 208.0 |
| Chapter 63 | 4.6 | 5.3 | 6.1 | 6.7 | 6.0 | 9.0 |
| Total | 329.1 | 437.2 | 410.8 | 421.8 | 431.0 | 465.0 |
