| 用途 | 繊維 | シート | ボトル | 成形品・その他 | 合計 |
| 1997 | - | 6,077 | - | 1,112 | - | 756 | - | 453 | - | 8,398 |
| 1998 | - | 16,895 | - | 5,218 | - | 211 | - | 1,585 | - | 23,909 |
| 1999 | - | 25,188 | - | 11,450 | - | 179 | - | 2,788 | - | 39,605 |
| 2000 | - | 38,317 | - | 23,407 | - | 326 | - | 6,525 | - | 68,575 |
| 2001 | - | 48,659 | - | 37,510 | - | 381 | - | 8,362 | - | 94,912 |
| 2002 | - | 58,940 | - | 45,632 | - | 606 | - | 7,307 | - | 112,485 |
| 2003 | - | 57,445 | - | 50,021 | - | 11,312 | - | 5,520 | - | 124,298 |
| 2004 | - | 63,554 | - | 54,589 | - | 23,351 | - | 6,204 | - | 147,698 |
| 2005 | - | 64,103 | - | 58,788 | - | 12,134 | - | 8,007 | - | 143,032 |
| 2006 | 87,453 | 55,458 | 69,677 | 41,088 | 14,381 | 6,493 | 17,953 | 3,406 | 189,464 | 106,445 |
| 2007 | 83,702 | 61,292 | 101,173 | 43,285 | 11,089 | 3,915 | 7,565 | 3,355 | 203,528 | 111,847 |
| 2008 | 87,457 | 67,685 | 95,657 | 46,808 | 4,672 | 3,278 | 3,791 | 3,726 | 191,577 | 121,497 |
| 45.7% | − | 49.9% | − | 2.4% | − | 2.0% | − | 100.0% | − |
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