| Year | Value (US Dollars) |
|---|---|
|
2023 |
20263000000 |
|
2022 |
16429000000 |
|
2021 |
15334000000 |
|
2020 |
12454000000 |
|
2019 |
12718000000 |
|
2018 |
11912000000 |
|
2017 |
11853000000 |
|
2016 |
10876000000 |
|
2015 |
11730000000 |
|
2014 |
12951000000 |