| Year | Value (US Dollars) |
|---|---|
|
2023 |
28823000000 |
|
2022 |
30913000000 |
|
2021 |
24282000000 |
|
2020 |
17105000000 |
|
2019 |
20268000000 |
|
2018 |
20197000000 |
|
2017 |
17734000000 |
|
2016 |
17399000000 |
|
2015 |
16907000000 |
|
2014 |
17273000000 |