Table 2.
Year | No. of cases | Crude rates | Adjusted rates | 95% CI |
---|---|---|---|---|
1994 | 164 | 0·31 | 0·28 | (0·23–0·32) |
1995 | 200 | 0·36 | 0·35 | (0·30–0·40) |
1996 | 169 | 0·31 | 0·30 | (0·25–0·34) |
1997 | 182 | 0·34 | 0·32 | (0·27–0·36) |
1998 | 155 | 0·28 | 0·27 | (0·23–0·32) |
1999 | 275 | 0·48 | 0·48 | (0·43–0·54) |
2000 | 250 | 0·46 | 0·44 | (0·38–0·49) |
2001 | 203 | 0·36 | 0·36 | (0·31–0·41) |
2002 | 217 | 0·39 | 0·38 | (0·33–0·43) |
2003 | 277 | 0·48 | 0·48 | (0·42–0·54) |
2004 | 343 | 0·61 | 0·60 | (0·53–0·66) |
2005 | 324 | 0·57 | 0·57 | (0·51–0·63) |
2006 | 179 | 0·33 | 0·31 | (0·26–0·35) |
2007 | 186 | 0·32 | 0·32 | (0·27–0·36) |
2008 | 183 | 0·33 | 0·32 | (0·28–0·37) |
2009 | 188 | 0·35 | 0·33 | (0·28–0·38) |
2010 | 150 | 0·27 | 0·26 | (0·22–0·31) |
2011 | 152 | 0·27 | 0·27 | (0·22–0·31) |
2012 | 97 | 0·17 | 0·17 | (0·14–0·20) |
Total | 3894 | 0·38 | 0·38 | (0·37–0·39) |
CI, Confidence interval.