Table 3 Standard concentration index for urban and rural samples
Year | 1991 | 1993 | 1997 | 2000 | 2004 | 2006 |
|---|---|---|---|---|---|---|
Urban CI | 0.0304 (2493) | 0.0269 (2375) | 0.0439 (2614) | 0.0442 (2601) | 0.0471 (3019) | 0.0433 (2879) |
Rural CI | 0.0292 (5461) | 0.0310 (5190) | 0.0332 (4903) | 0.0450 (5213) | 0.0508 (5579) | 0.0624 (5612) |
Total CI | 0.0208 (7954) | 0.0211 (7565) | 0.0313 (7517) | 0.0419 (7814) | 0.0431 (8598) | 0.0491 (8491) |