| Year | Volume | Value |
|---|---|---|
| 2024 | 192,542 | 545,242 USD |
| 2023 | 261,958 | 558,402 USD |
| 2022 | 311,456 | 561,306 USD |
| Rank | Country | Volume | Value |
|---|---|---|---|
| 1 | South Africa | 187,700.293 | 537,014.043 USD |
| 2 | Germany | 3,840.25 | 4,087.492 USD |
| 3 | China | 341.19 | 2,600.769 USD |
| 4 | Botswana | 252.3 | 904.518 USD |
| 5 | Japan | 64.24 | 234.591 USD |