| Year | Volume | Value |
|---|---|---|
| 2024 | 371,669 | 412,333 USD |
| 2023 | 542,416 | 362,617 USD |
| 2022 | 283,268 | 327,728 USD |
| Rank | Country | Volume | Value |
|---|---|---|---|
| 1 | South Africa | 371,065.775 | 408,988.456 USD |
| 2 | Botswana | 423.7 | 2,647.405 USD |
| 3 | Malaysia | 25 | 549.134 USD |
| 4 | Saudi Arabia | 128 | 72.495 USD |
| 5 | United States | 15 | 59.035 USD |