| 2013 | 2011 | 2009 | 2008 | 2006 | 2004 |
Indicator |
| Percentage distribution of households by: | ||||||
| 96.4 | 91.8 | 88.4 | 88.2 | 88.6 | 89.2 | Availability of public network water |
| Quality of households water | ||||||
| 48.8 | 47.2 | 48.1 | 45.6 | 50.6 | 63.0 | Good |
| 34.2 | 37.9 | 23.7 | 30.3 | 26.3 | 27.5 | Fairly good |
| 17.0 | 14.9 | 28.2 | 24.1 | 23.1 | 9.5 | Bad |
| Solidwaste components (household) | ||||||
| 10.8 | 14.7 | 14.8 | 19.5 | 10.8 | 13.3 | Baby's nabs |
| 84.3 | 82.3 | 81.9 | 75.1 | 86.0 | 82.6 | Food wastes |
| 4.0 | 2.1 | 2.2 | 4.6 | 2.7 | 2.6 | Paper and cartoon |
| 0.9 | 0.9 | 1.1 | 0.8 | 0.5 | 1.5 | Others |
| Wastewater disposal method | ||||||
| 55.3 | 55.0 | 52.1 | 45.5 | 45.3 | 42.9 | Wastewater network |
| 44.2 | 44.3 | 47.2 | 53.7 | 54.0 | 56.1 | Tight or Porous Cesspit |
| 0.5 | 0.7 | 0.7 | 0.8 | 0.7 | 1.0 | Others |
| Exposure to noise | ||||||
| 76.5 | 71.7 | 71.1 | 67.7 | 71.5 | 79.6 | Seldom or no noise |
| 5.0 | 8.5 | 5.5 | 9.4 | 8.0 | 5.2 | Sometimes |
| 18.5 | 19.9 | 23.4 | 22.9 | 20.5 | 15.2 | Very often |
| Exposure to smell | ||||||
| 76.4 | 72.2 | 76.4 | 76.6 | 73.6 | 79.6 | Seldom or no smell |
| 12.4 | 12.1 | 8.3 | 12.3 | 11.0 | 10.3 | Sometimes |
| 11.2 | 15.7 | 15.3 | 11.1 | 15.4 | 10.1 | Very often |