Score |
2007[4] |
2008[5] |
2009[6] |
2010[7] |
2011[8] |
2012[9] |
2013[10] |
5 |
15.3% |
18.4% |
18.0% |
17.1% |
17.0% |
16.4% |
18.9% |
4 |
18.0% |
17.5% |
17.9% |
18.5% |
18.4% |
19.3% |
21.5% |
3 |
23.0% |
20.0% |
20.2% |
19.3% |
19.5% |
20.1% |
18.8% |
2 |
18.5% |
14.3% |
14.2% |
12.7% |
14.6% |
15.0% |
14.9% |
1 |
25.3% |
29.9% |
29.8% |
32.3% |
30.4% |
29.2% |
26.0% |
Mean |
2.79 |
2.80 |
2.80 |
2.76 |
2.77 |
2.79 |
2.92 |
Number of Students |
97,136 |
100,586 |
104,789 |
115,077 |
122,651 |
132,425 |
140,006 |