Ozone-depleting substances are any substance containing chlorine or bromine that destroys the stratospheric ozone layer. The stratospheric ozone absorbs most of the biologically damaging ultraviolet radiation.
| तिथि | मान | बदले , % |
|---|---|---|
| 2013 | 539.4 | -22.12% |
| 2012 | 692.6 | 7.92% |
| 2011 | 641.8 | 9.97% |
| 2010 | 583.6 | 10.01% |
| 2009 | 530.5 | 5.49% |
| 2008 | 502.9 | 18.05% |
| 2007 | 426.0 | 7.44% |
| 2006 | 396.5 | 7.22% |
| 2005 | 369.8 | 12.95% |
| 2004 | 327.4 | 23.69% |
| 2003 | 264.7 | 20.76% |
| 2002 | 219.2 |