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.
| Fecha | Valor | Cambiar , % |
|---|---|---|
| 2013 | 25,4 | -6,62 % |
| 2012 | 27,2 | -11,46 % |
| 2011 | 30,7 | -17,45 % |
| 2010 | 37,2 | -51,88 % |
| 2009 | 77,3 | 257,87 % |
| 2008 | 21,6 | 11,34 % |
| 2007 | 19,4 | -8,06 % |
| 2006 | 21,1 | 174,03 % |
| 2005 | 7,7 | -35,29 % |
| 2004 | 11,9 | 124,53 % |
| 2003 | 5,3 | 89,29 % |
| 2002 | 2,8 |