| Year | Volume | Value |
|---|---|---|
| 2024 | 2,960,235 | 9,015,791 USD |
| 2023 | 4,949,573 | 8,324,457 USD |
| 2022 | 5,113,204 | 7,911,944 USD |
| Rank | Country | Volume | Value |
|---|---|---|---|
| 1 | China | 1,100,300 | 4,773,358.34 USD |
| 2 | Japan | 929,422 | 1,954,210.11 USD |
| 3 | Zambia | 483,970 | 1,565,136.524 USD |
| 4 | South Africa | 344,234.7 | 536,094.282 USD |
| 5 | Spain | 102,300 | 186,989.61 USD |
| Year | Volume | Value |
|---|---|---|
| 2023 | 137,976 | 161,900 USD |
| 2022 | 111,267 | 96,746 USD |
| Rank | Country | Volume | Value |
|---|---|---|---|
| 1 | South Africa | 448.516 | 1,751.261 USD |