| Year | Unit-I | Unit-II | Unit-III | Unit-IV | Unit-V | Unit-VI | Unit-VII | Unit-VIII |
|---|---|---|---|---|---|---|---|---|
| 2015-16 | 0.00 | 92.08 | 58.79 | 88.53 | 96.59 | 92.74 | 66.25 | 91.70 |
| 2014-15 | 0 | 51.52 | 90.31 | 98.12 | 92.95 | 89.6 | 88.24 | 86.25 |
| 2013-14 | 0.01 | 67.75 | 65.84 | 87.13 | 88.74 | 96.26 | 68.73 | 96.84 |
| 2012-13 | 82.93 | 87.34 | 88.74 | 47.49 | 97.77 | 96.02 | 96.62 | 74.54 |
| 2011-12 | 78.14 | 97.36 | 34.29 | 21.26 | 47.65 | 98.74 | 96.68 | 98.38 |
| 2010-11 | 91.47 | 30.78 | 91.70 | 99.03 | 98.67 | 98.30 | 84.73 | 53.71 |
| 2009-10 | 98.95 | 83.96 | 91.21 | 90.60 | 92.27 | 90.99 | 71.88 | 69.41 |
| 2008-09 | 70.15 | 77.48 | 84.26 | 93.04 | 97.70 | 98.97 | 97.38 | 98.05 |
| 2007-08 | 99.18 | 76.28 | 89.84 | 92.43 | 90.59 | 88.74 | NA | NA |
| 2006-07 | 95.68 | 92.24 | 96.00 | 88.84 | 73.33 | 86.37 | -- | -- |
| 2005-06 | 93.7 | 70.4 | 96.01 | 90.95 | 84.53 | 87.49 | -- | -- |
| 2004-05 | 54.35 | 95.63 | 91.02 | 89.20 | 90.40 | 99.04 | -- | -- |
| 2003-04 | 84.86 | 99.52 | 98.35 | 89.47 | 79.18 | 99.16 | -- | -- |
| 2002-03 | 90.10 | 99.99 | 91.50 | 99.51 | 73.88 | 99.24 | -- | -- |
| 2001-02 | 97.35 | 85.9 | 99.01 | 99.21 | 97.94 | 57.95 | -- | -- |
| 2000-01 | 99.18 | -- | 87.73 | 73.88 | 83.56 | 97.79 | -- | -- |
| 1999-2000 | 98.24 | 91.22 | 25.77 | -- | 96.33 | 98.64 | -- | -- |
| 1998-99 | 99.26 | 98.73 | 74.09 | 12.59 | 99.92 | 89.25 | -- | -- |
| 1997-98 | 94.6 | 0.07 | 95.26 | 96.35 | 90.4 | 94.05 | -- | -- |
| 1996-97 | 89.78 | -- | 96.21 | 85.28 | 88.16 | 93.68 | -- | -- |
