2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
---|---|---|---|---|---|---|
City water (includes surface and well water) | 30.9 | 29.3 | 27.5 | 26.2 | 24.8 | 23.3 |
Surface water | 18.9 | 17.0 | 16.1 | 15.9 | 16.0 | 8.6 |
Well water | 7.9 | 7.0 | 5.7 | 5.6 | 5.1 | 4.4 |
2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
---|---|---|---|---|---|---|
Asia-Pacific and Africa | 2.3 | 2.6 | 2.4 | 3.0 | 3.0 | 3.9 |
Europe | 9.9 | 9.8 | 8.3 | 7.4 | 7.5 | 6.3 |
North America | 42.9 | 38.5 | 36.1 | 34.7 | 32.9 | 23.7 |
South America | 2.5 | 2.5 | 2.4 | 2.6 | 2.5 | 2.4 |