Mf/ml | 2001 No. (%) | 2002 No. (%) | 2003 No. (%) | 2004 No. (%) | ||||
---|---|---|---|---|---|---|---|---|
 | Examined* | Treated** | Examined* | Treated** | Examined* | Treated** | Examined* | Treated** |
0 | 429 (73.2) | 0 | 634 (82.4) | 126 (19.9) | 721 (93.9) | 482 (66.9) | 677 (96.2) | 548 (80.9) |
1–100 | 66 (11.3) | 0 | 90 (11.7) | 22 (24.4) | 25 (3.3) | 17 (68.0) | 20 (2.8) | 14 (70.0) |
101–500 | 42 (7.2) | 0 | 29 (3.8) | 6 (20.7) | 14 (1.8) | 6 (42.9) | 4 (0.6) | 2 (50.0) |
>500 | 49 (8.3) | 0 | 16 (2.1) | 1 (6.3) | 8 (1.0) | 4 (50.0) | 3 (0.4) | 0 (0) |
Total | 586 (100) | 0 | 769 (100) | 155 (20.5) | 768 (100) | 509 (66.3) | 704 (100) | 564 (80.1) |