| Year | Value (US Dollars) |
|---|---|
|
2023 |
19985000000 |
|
2022 |
18561000000 |
|
2021 |
16689000000 |
|
2020 |
13799000000 |
|
2019 |
14933000000 |
|
2018 |
15535000000 |
|
2017 |
14204000000 |
|
2016 |
13572000000 |
|
2015 |
14073000000 |
|
2014 |
16756000000 |