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 | 0.0 | -100.00% |
| 2011 | -0.1 | |
| 2010 | 0.0 | -100.00% |
| 2009 | 15.8 | 8.22% |
| 2008 | 14.6 | -16.57% |
| 2007 | 17.5 | 4.17% |
| 2006 | 16.8 | 14.29% |
| 2005 | 14.7 | -16.00% |
| 2004 | 17.5 | -18.22% |
| 2003 | 21.4 | -27.21% |
| 2002 | 29.4 | -36.23% |
| 2001 | 46.1 |
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