Table
Municipality-State-Reporting: wastewater | 2009 | 2012 | 2013 | Change in per cent |
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| 2009 - 2013 | 2012 - 2013 |
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| Percentage of population connected to municipal wastewater facilities | 83.6 | 83.9 | 84.2 | 0.7 | 0.4 |
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| Connection density of wastewater pipeline system (inhabitants/km) | 116 | 118 | 118 | 1.7 | 0.0 |
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| Percentage of total wastewater pipeline system renewed, 3-year-average | 0.45 | 0.48 | 0.46 | 2.2 | -4.2 |
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| Number of sewage overflow in sewage pipelines and manhole covers per km pipeline | 0.076 | 0.054 | 0.058 | -23.7 | 7.4 |
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| Income from fees per inhabitant connected to municipal wastewater facilities | 1 289 | 1 429 | 1 493 | 15.8 | 4.5 |
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| Operating expenditures per inhabitant connected to municipal wastewater facilities | 881 | 988 | 1 024 | 16.2 | 3.6 |
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