2012.01:5.05%
2012.02:6.89%
2012.03:-6.80%
2012.04:6.98%
2012.05:0.22%
2012.06:-6.48%
2012.07:-5.23%
2012.08:-5.49%
2012.09:4.00%
2012.10:-1.67%
2012.11:-5.11%
2012.12:17.91%