| Year | Value (US Dollars) |
|---|---|
|
2023 |
15566000000 |
|
2022 |
17403000000 |
|
2021 |
14327000000 |
|
2020 |
17947000000 |
|
2019 |
18588000000 |
|
2018 |
19334000000 |
|
2017 |
19253000000 |
|
2016 |
15705000000 |
|
2015 |
16885000000 |
|
2014 |
16459000000 |