| Urteak | TRATATUTAKO HHS (Tm.) | LIXIBIATUEN BOLUMENA m3 |
| 1987 | 13.940 | 1.100 |
| 1988 | 15.788 | 4.126 |
| 1989 | 19.116 | 4.996 |
| 1990 | 33.999 | 6.785 |
| 1991 | 35.717 | 17.690 |
| 1992 | 34.649 | 13.282 |
| 1993 | 29.339 | 13.951 |
| 1994 | 30.996 | 15.216 |
| 1995 | 22.234 | 10.504 |
| 1996 | 28.711 | 12.865 |
| 1997 | 50.993 | 16.156 |
| 1998 | 54.340 | 22.150 |
| 1999 | 55.796 | 16.100 |
| 2000 | 57.005 | 13.161 |
| Total | 482.623 | 138.821 |