Level 4 and Above
| 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 |
2010 |
2011 |
|
| WRITING | 88% | 79% | 77% | 77% | 68% | 89% | 84% | 91% | 84% | 82% |
| READING | 98% | 88% | 91% | 93% | 93% | 91% | 100% | 98% | 98% | 96% |
| ENGLISH | 93% | 86% | 88% | 91% | 89% | 89% | 98% | 98% | 91% | 87% |
| SCIENCE | 98% | 96% | 96% | 90% | 93% | 100% | 98% | 98% | 98% | 96% |
| MATHS | 85% | 76% | 81% | 79% | 84% | 86% | 98% | 98% | 87% | 91% |
Level 5
| 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 |
2010 |
2011 |
|
| WRITING | 35% | 29% | 54% | 13% | 0% | 48% | 22% | 39% | 39% | 18% |
| READING | 58% | 52% | 51% | 51% | 57% | 64% | 69% | 71% | 61% | 47% |
| ENGLISH | 48% | 36% | 56% | 33% | 20% | 57% | 35% | 52% | 40% | 29% |
| SCIENCE | 55% | 48% | 47% | 65% | 48% | 64% | 82% | 60% | 48% | 38% |
| MATHS | 48% | 43% | 33% | 44% | 45% | 43% | 62% | 58% | 45% | 36% |
