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 | 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 |