| Year | Value (US Dollars) |
|---|---|
|
2023 |
23470000000 |
|
2022 |
22472000000 |
|
2021 |
19307000000 |
|
2020 |
17716000000 |
|
2019 |
14825000000 |
|
2018 |
12700000000 |
|
2017 |
11278000000 |
|
2016 |
10069000000 |
|
2015 |
8542000000 |
|
2014 |
6846000000 |