| Previous LI Tx | Year | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | |
| Total | 16,618 | 18,715 | 21,041 | 23,393 | 25,747 | 28,014 | 30,235 | 32,592 | 33,629 |
| No | 15,218 | 17,149 | 19,337 | 21,561 | 23,784 | 25,897 | 28,012 | 30,260 | 31,265 |
| Yes | 1,400 | 1,566 | 1,704 | 1,832 | 1,963 | 2,117 | 2,223 | 2,332 | 2,364 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| No | 91.6% | 91.6% | 91.9% | 92.2% | 92.4% | 92.4% | 92.6% | 92.8% | 93.0% |
| Yes | 8.4% | 8.4% | 8.1% | 7.8% | 7.6% | 7.6% | 7.4% | 7.2% | 7.0% |