| Year | Volume | Value |
|---|---|---|
| 2024 | 14,610,302 | 40,380,785 USD |
| 2023 | 24,307,770 | 32,598,729 USD |
| 2022 | 34,639,415 | 47,089,364 USD |
| Rank | Country | Volume | Value |
|---|---|---|---|
| 1 | United States | 2,025,927.931 | 5,599,375.02 USD |
| 2 | Namibia | 1,926,631.592 | 5,324,934.143 USD |
| 3 | Botswana | 1,517,071.151 | 4,192,967.665 USD |
| 4 | Japan | 1,494,050.488 | 4,129,341.846 USD |
| 5 | Nigeria | 1,077,166.26 | 2,977,133.468 USD |
| Year | Volume | Value |
|---|---|---|
| 2023 | 5,740,467 | 8,495,175 USD |
| 2022 | 5,932,599 | 10,342,682 USD |