The data illustrates the discharge of chemical oxygen demand (COD) particles in China from 2010 to 2015. In 2012, the total amount of COD particle discharge in China had ranged at about 24 million tons.
2010 | 12381 |
2011 | 24999 |
2012 | 24237 |
2013 | 23527 |
2014 | 22946 |
2015 | 22235 |