| (× 1000 kilogram) | ||||||
| jaar | begin voorraad | productie | import | verwerkt in eigen land | export | eind voorraad |
| 1994 | 10.872 | 61.970 | 0 | 5.436 | 59.796 | 7.610 |
| 1995 | 7.610 | 63.927 | 0 | 5.436 | 58.926 | 7.176 |
| 1996 | 7.176 | 88.498 | 0 | 5.436 | 78.278 | 11.959 |
| 1997 | 11.959 | 138.074 | 0 | 5.436 | 119.592 | 25.006 |
| 1998 | 25.006 | 119.592 | 0 | 5.436 | 114.156 | 25.006 |
| 1999 | 25.006 | 109.807 | 0 | 1.087 | 113.069 | 20.657 |
| 2000 | 20.657 | 114.156 | 0 | 1.087 | 113.069 | 20.657 |
| 2001 | 20.657 | 157.644 | 0 | 1.087 | 141.336 | 35.878 |
| 2002 | 35.878 | 152.208 | 0 | 1.088 | 152.208 | ...... |