| Parameter |
2012 |
2013 |
2014 |
2015 |
Min |
Max |
| SAR |
1.95 |
1.97 |
1.99 |
1.94 |
1.94 |
1.99 |
| RSC |
−1.34 |
−1.26 |
−1.16 |
−1.21 |
−1.34 |
−1.16 |
| SSP |
35.49 |
35.82 |
36.05 |
35.43 |
35.43 |
36.05 |
| RSBC |
−0.21 |
−0.17 |
−0.14 |
−0.20 |
−0.21 |
−0.14 |
| PI |
60.79 |
61.50 |
62.19 |
61.49 |
60.79 |
62.19 |
| MAR |
29.50 |
28.61 |
27.20 |
26.83 |
26.83 |
29.50 |
| KR |
0.50 |
0.51 |
0.51 |
0.50 |
0.50 |
0.51 |
| TH |
297.59 |
202.40 |
185.54 |
191.22 |
185.54 |
297.59 |