| Year | Value (US Dollars) |
|---|---|
|
2023 |
22446000000 |
|
2022 |
24100000000 |
|
2021 |
20833000000 |
|
2020 |
16337000000 |
|
2019 |
15705000000 |
|
2018 |
16166000000 |
|
2017 |
14126000000 |
|
2016 |
12294000000 |
|
2015 |
12286000000 |
|
2014 |
14715000000 |