| Epidemic
infection rate |
| Year |
orginal
data(%) |
standardized
value |
| 1988 |
|
|
| 1989 |
|
|
| 1990 |
|
|
| 1991 |
0.015 |
100.00 |
| 1992 |
0.020 |
99.60 |
| 1993 |
0.023 |
99.31 |
| 1994 |
0.025 |
99.15 |
| 1995 |
0.028 |
98.82 |
| 1996 |
0.025 |
99.14 |
| 1997 |
0.027 |
98.98 |
| 1998 |
0.025 |
99.14 |
| 1999 |
0.081 |
94.10 |
| 2000 |
0.105 |
91.95 |
| 2001 |
0.109 |
91.60 |
| 2002 |
0.141 |
89.34 |
| 2003 |
0.105 |
91.34 |
| 2004 |
0.129 |
90.16 |
| 2005 |
0.129 |
90.16 |
|
|
|
|