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.
| Data | Valor | Modificar, % |
|---|---|---|
| 2014 | 3,2 | -30,62% |
| 2013 | 4,5 | -19,93% |
| 2012 | 5,7 | -24,40% |
| 2011 | 7,5 | 5,63% |
| 2010 | 7,1 | 4,41% |
| 2009 | 6,8 | 41,67% |
| 2008 | 4,8 | 9,09% |
| 2007 | 4,4 | 15,79% |
| 2006 | 3,8 | 26,67% |
| 2005 | 3,0 | 3,45% |
| 2004 | 2,9 | 70,59% |
| 2003 | 1,7 |