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, % |
|---|---|---|
| 2003 | 6,0 | 0,00% |
| 2002 | 6,0 | 0,00% |
| 2001 | 6,0 | -37,50% |
| 2000 | 9,6 | |
| 1999 | 0,0 | |
| 1998 | 0,0 | |
| 1997 | 0,0 | -100,00% |
| 1996 | 27,4 | -12,74% |
| 1995 | 31,4 | 45,37% |
| 1994 | 21,6 | -34,35% |
| 1991 | 32,9 |