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.
| Date | Value | Change, % |
|---|---|---|
| 2012 | 210.1 | -38.33% |
| 2011 | 340.7 | 3.94% |
| 2010 | 327.8 | -36.72% |
| 2009 | 518.0 | -34.17% |
| 2008 | 786.9 | 8.97% |
| 2007 | 722.1 | -1.51% |
| 2006 | 733.2 | 7.93% |
| 2005 | 679.3 | -52.35% |
| 2004 | 1,425.7 | -47.18% |
| 2003 | 2,699.0 | 1.07% |
| 2002 | 2,670.5 | -24.54% |
| 2001 | 3,538.8 |
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