| 21. | Water tariffs have remained stable in real terms over the past ten years.
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| 22. | Urban water tariffs were highly affordable according to data from the year 2000.
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| 23. | During the same period, water tariffs increased threefold.
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| 24. | Consequently, water tariffs are affordable for most households.
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| 25. | Sanitation tariffs are usually 30 percent of water tariffs.
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| 26. | Monies were raised through drinking water tariffs in Tegucigalpa.
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| 27. | The process of adjusting water tariffs differs greatly from one location to another.
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| 28. | In some developing countries, water tariffs are set at the national level.
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| 29. | As a first step, water tariffs were increased.
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| 30. | Most water tariffs in smaller towns are lower than in Athens and Thessaloniki.
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