Syphilis screened subjects from 1974 to 1998 (25 years)
| Total screened | Syphilis cases | ||||
|---|---|---|---|---|---|
| No | Males | Females | Males (%) | Females (%) | |
| 1974 | 63 081 | 36 625 | 26 456 | (0.70) | (0.05) |
| 1975 | 61 757 | 35 796 | 25 961 | (0.67) | (0.12) |
| 1976 | 65 797 | 37 828 | 27 969 | (0.52) | (0.13) |
| 1977 | 58 141 | 34 588 | 23 553 | (0.45) | (0.12) |
| 1978 | 70 278 | 40 483 | 29 795 | (0.42) | (0.05) |
| 1979 | 68 299 | 39 732 | 28 567 | (0.71) | (0.07) |
| 1980 | 74 726 | 40 766 | 33 960 | (0.86) | (0.18) |
| 1981 | 66 179 | 36 079 | 30 100 | (0.60) | (0.11) |
| 1982 | 70 694 | 35 007 | 35 687 | (0.72) | (0.13) |
| 1983 | 70 102 | 36 202 | 33 900 | (0.54) | (0.07) |
| 1984 | 72 420 | 37 220 | 35 200 | (0.48) | (0.11) |
| 1985 | 81 535 | 42 593 | 38 942 | (0.44) | (0.12) |
| 1986 | 84 310 | 43 152 | 41 158 | (0.41) | (0.14) |
| 1987 | 71 046 | 36 436 | 34 610 | (0.40) | (0.09) |
| 1988 | 41 011 | 19 681 | 21 330 | (0.40) | (0.08) |
| 1989 | 61 444 | 30 271 | 31 173 | (0.23) | (0.09) |
| 1990 | 59 900 | 29 202 | 30 698 | (0.19) | (0.12) |
| 1991 | 60 385 | 29 863 | 30 522 | (0.10) | (0.04) |
| 1992 | 60 105 | 29 608 | 30 497 | (0.09) | (0.05) |
| 1993 | 66 968 | 34 336 | 32 632 | (0.03) | (0.03) |
| 1994 | 63 984 | 30 628 | 33 356 | (0.08) | (0.03) |
| 1995 | 62 748 | 31 322 | 31 426 | (0.04) | (0.03) |
| 1996 | 58 584 | 29 244 | 29 340 | (0.06) | (0.03) |
| 1997 | 64 679 | 30 122 | 34 557 | (0.09) | (0.04) |
| 1998 | 65 650 | 32 095 | 33 555 | (0.03) | (0.03) |
| Total | 1 643 823 | 858 879 | 784 944 | (0.468) | (0.084) |
| Grand total | 1 643 823 | (0.263) | |||