| Country | 2010 | 2011 | 2012 | 2013 | 2014 | |||||
| Production | % | Production | % | Production | % | Production | % | Production | % | |
| Australia | 432.779 | 23 | 477.332 | 25 | 520.032 | 27 | 608.9 | 31 | 723.7 | 36 |
| Russia | 99.06 | 5 | 103.805 | 5 | 103.337 | 5 | 102.497 | 5 | 101.448 | 5 |
| Brazil | 372 | 20 | 397 | 20 | 380.086 | 20 | 391.1 | 20 | 399.4 | 20 |
| China | 358.5 | 19 | 345.07 | 18 | 336.07 | 17 | 266.087 | 13 | 193.215 | 10 |
| United States | 49.9 | 3 | 54.7 | 3 | 54 | 3 | 52 | 3 | 54.3 | 3 |
| India | 209 | 11 | 191.8 | 10 | 152.6 | 8 | 136.1 | 7 | 129.8 | 6 |
| Ukraine | 79.17 | 4 | 81.189 | 4 | 80.826 | 4 | 83.696 | 4 | 82.409 | 4 |
| Canada | 37.501 | 2 | 37.101 | 2 | 39.401 | 2 | 41.841 | 2 | 44.196 | 2 |
| World | 1870.062 | 100 | 1943.788 | 100 | 1931.356 | 100 | 1977.242 | 100 | 2001.131 | 100 |