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 | 147,0 | -53,79 % |
| 2012 | 318,2 | -25,61 % |
| 2011 | 427,7 | -13,24 % |
| 2010 | 493,0 | -19,16 % |
| 2009 | 609,9 | -20,02 % |
| 2008 | 762,6 | -17,37 % |
| 2007 | 922,9 | 8,63 % |
| 2006 | 849,6 | 47,78 % |
| 2005 | 574,9 | 16,45 % |
| 2004 | 493,7 | 38,06 % |
| 2003 | 357,6 | 29,94 % |
| 2002 | 275,2 |