Year | No. cases in non-transmission season | Without malaria symptom in previous transmission season | Ratio (%) |
---|---|---|---|
1972 | 540 | 227 | 42.04 |
1973 | 663 | 510 | 76.92 |
1974 | 705 | 676 | 95.89 |
1975 | 160 | 127 | 79.38 |
1976 | 163 | 151 | 92.64 |
1977 | 45 | 43 | 95.56 |
1978 | 112 | 102 | 91.07 |
1979 | 100 | 85 | 85.00 |
1980 | 134 | 111 | 82.84 |
1981 | 241 | 198 | 82.16 |
1982 | 64 | 50 | 78.13 |
1983 | 49 | 44 | 89.80 |
1984 | 19 | 19 | 100.00 |
1985 | 3 | 3 | 100.00 |
1986 | 0 | 0 | – |
1987 | 1 | 1 | 100.00 |
Total | 2999 | 2347 | 78.3 |