| Year | Volume | Value |
|---|---|---|
| 2024 | 160,272 | 1,045,215 USD |
| 2023 | 33,160 | 135,751 USD |
| 2022 | 16,829 | 73,535 USD |
| Rank | Country | Volume | Value |
|---|---|---|---|
| 1 | United States | 75,800 | 616,792.072 USD |
| 2 | United Kingdom | 38,808 | 223,395.756 USD |
| 3 | Norway | 45,600 | 204,841.476 USD |
| 4 | South Africa | 60 | 162.527 USD |
| 5 | Democratic Republic of the Congo | 3 | 23.177 USD |
| Year | Volume | Value |
|---|---|---|
| 2024 | 268,590 | 1,532,479 USD |
| 2023 | 313,262 | 1,233,622 USD |
| 2022 | 190,495 | 675,098 USD |
| Rank | Country | Volume | Value |
|---|---|---|---|
| 1 | Zambia | 174,463.9 | 1,108,652.231 USD |
| 2 | South Africa | 84,186 | 371,463.004 USD |
| 3 | Belgium | 1,758.46 | 4,116.659 USD |
| 4 | France | 89 | 2,251.681 USD |
| 5 | Portugal | 349.94 | 2,158.473 USD |