| Year | Volume | Value |
|---|---|---|
| 2024 | 5,604 | 87,192 USD |
| 2023 | 3,215 | 38,648 USD |
| 2022 | 14,421 | 65,587 USD |
| Rank | Country | Volume | Value |
|---|---|---|---|
| 1 | United States | 1,886 | 50,926.171 USD |
| 2 | South Africa | 1,386 | 18,283.407 USD |
| 3 | Germany | 435 | 5,253.156 USD |
| 4 | India | 89 | 2,637.987 USD |
| 5 | United Kingdom | 2 | 104.976 USD |