| Year | Volume | Value |
|---|---|---|
| 2023 | 741 | 1,917 USD |
| 2022 | 1,806 | 5,109 USD |
| Rank | Country | Volume | Value |
|---|---|---|---|
| 1 | Japan | 57.84 | 124.153 USD |
| 2 | South Africa | 55 | 32.733 USD |
| 3 | Angola | 2.72 | 15.553 USD |
| 4 | Zambia | 0.6 | 11.003 USD |
| 5 | Democratic Republic of the Congo | 5 | 7.922 USD |
| Year | Volume | Value |
|---|---|---|
| 2024 | 4,113,017 | 10,431,624 USD |
| 2023 | 4,118,977 | 9,633,423 USD |
| 2022 | 3,461,034 | 8,771,982 USD |
| Rank | Country | Volume | Value |
|---|---|---|---|
| 1 | South Africa | 4,097,110.077 | 10,377,823.316 USD |
| 2 | Germany | 11,726.2 | 43,533.779 USD |
| 3 | United States | 1,632.2 | 3,795.094 USD |
| 4 | United Kingdom | 208.36 | 1,175.153 USD |
| 5 | Portugal | 137 | 1,161.551 USD |