| Gender | Year | ||||||||||
| 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | ||
| Total | Patients | 154 | 199 | 257 | 287 | 321 | 480 | 779 | 1,038 | 1,231 | 1,338 |
| Deaths | 7 | 3 | 1 | 6 | 6 | 5 | 12 | 23 | 18 | 18 | |
| Rate | 88.8 | 27.6 | 6.8 | 37.8 | 36.3 | 24.2 | 31.0 | 39.7 | 24.5 | 21.1 | |
| Female | Patients | 73 | 94 | 115 | 130 | 141 | 208 | 344 | 445 | 518 | 572 |
| Deaths | 3 | 3 | 1 | 3 | 3 | 1 | 3 | 11 | 7 | 10 | |
| Rate | 74.9 | 59.6 | 15.2 | 40.9 | 42.6 | 11.2 | 17.8 | 44.6 | 22.3 | 27.4 | |
| Male | Patients | 81 | 105 | 142 | 157 | 180 | 272 | 435 | 593 | 713 | 766 |
| Deaths | 4 | - | - | 3 | 3 | 4 | 9 | 12 | 11 | 8 | |
| Rate | 103.2 | - | - | 35.2 | 31.6 | 34.0 | 41.2 | 36.0 | 26.1 | 16.4 | |