| Previous LI Tx | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | |
| Total | 6,280 | 7,571 | 9,757 | 12,052 | 13,917 | 14,897 | 13,039 | 12,650 | 12,705 | 12,822 |
| No | 5,948 | 7,191 | 9,267 | 11,505 | 13,279 | 14,236 | 12,591 | 12,310 | 12,367 | 12,444 |
| Yes | 332 | 380 | 490 | 547 | 638 | 661 | 448 | 340 | 338 | 378 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| No | 94.7% | 95.0% | 95.0% | 95.5% | 95.4% | 95.6% | 96.6% | 97.3% | 97.3% | 97.1% |
| Yes | 5.3% | 5.0% | 5.0% | 4.5% | 4.6% | 4.4% | 3.4% | 2.7% | 2.7% | 2.9% |