| Year | Volume | Value |
|---|---|---|
| 2024 | 26,077 | 38,798 USD |
| 2023 | 71,340 | 97,346 USD |
| 2022 | 20,018 | 32,660 USD |
| Rank | Country | Volume | Value |
|---|---|---|---|
| 1 | South Africa | 25,306.1 | 35,925.799 USD |
| 2 | Botswana | 218 | 2,190.831 USD |
| 3 | China | 402.5 | 354.366 USD |
| 4 | Portugal | 100 | 174.975 USD |
| 5 | India | 50 | 151.968 USD |