Year | Quality Rating Index (qi) | ||||
TDS | SAR | Na% | PI | MR | |
2006 | 42.17 | 13.32 | 68.26 | 76.14 | 99.81 |
2007 | 45.28 | 11.76 | 66.10 | 74.37 | 98.01 |
2008 | 42.09 | 9.82 | 59.14 | 72.19 | 95.68 |
2009 | 36.62 | 10.77 | 72.09 | 81.98 | 105.21 |
2010 | 42.39 | 19.45 | 77.90 | 87.74 | 112.51 |
2011 | 47.92 | 15.72 | 82.59 | 88.40 | 113.41 |
2012 | 47.09 | 20.04 | 94.22 | 99.78 | 130.76 |
2013 | 42.32 | 22.68 | 88.49 | 97.47 | 130.80 |