| Country | YoY Change | Transaction Count | 2025-05 | 2025-06 | 2025-07 | 2025-08 | 2025-09 | 2025-10 | 2025-11 | 2025-12 | 2026-01 | 2026-02 | 2026-03 | 2026-04 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| China | - | 4 | - (-) | - (-) | - (-) | 4.11 USD / kg (300 kg) | 2.22 USD / kg (80,640 kg) | - (-) | ||||||
| United States | - | 2 | 19.15 USD / kg (320 kg) | - (-) | - (-) | - (-) | - (-) | - (-) | ||||||
| South Africa | - | 1 | - (-) | - (-) | - (-) | - (-) | 16.17 USD / kg (58.51 kg) | - (-) |