Year | B | Cu | Fe | Mn | Mo | Zn |
2000 [12] | 0.41 | 4.44 | 41.01 | 42.36 | 0.26 | 1.99 |
2006 [13] | 0.39 | 3.38 | 34.35 | 40.21 | 0.20 | 1.86 |
2021 (See Table 2) | 0.92 | 2.55 | 66.47 | 47.26 | 0.39 | 3.95 |