| Gender | Year | ||||||||||
| 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | ||
| Total | Patients | 40 | 37 | 59 | 69 | 82 | 92 | 98 | 104 | 127 | 125 |
| Deaths | 10 | 7 | 12 | 14 | 19 | 18 | 19 | 13 | 27 | 18 | |
| Rate | 580.8 | 474.7 | 437.7 | 493.3 | 478.9 | 525.7 | 419.7 | 309.3 | 482.4 | 317.9 | |
| Female | Patients | 22 | 18 | 26 | 30 | 44 | 44 | 41 | 44 | 59 | 60 |
| Deaths | 5 | 4 | 5 | 2 | 10 | 9 | 11 | 7 | 12 | 8 | |
| Rate | 555.1 | 585.6 | 435.2 | 145.0 | 450.8 | 585.3 | 588.8 | 426.4 | 480.1 | 258.2 | |
| Male | Patients | 18 | 19 | 33 | 39 | 38 | 48 | 57 | 60 | 68 | 65 |
| Deaths | 5 | 3 | 7 | 12 | 9 | 9 | 8 | 6 | 15 | 10 | |
| Rate | 609.1 | 378.9 | 439.5 | 822.8 | 514.5 | 477.1 | 300.8 | 234.2 | 484.3 | 390.0 | |