| Year | Value (US Dollars) |
|---|---|
|
2023 |
33899000000 |
|
2022 |
38147000000 |
|
2021 |
22208000000 |
|
2020 |
13733000000 |
|
2019 |
19635000000 |
|
2018 |
20317000000 |
|
2017 |
15481000000 |
|
2016 |
13108000000 |
|
2015 |
16592000000 |
|
2014 |
28260000000 |