YearQ1Q2Q3Q4
20180.15%-1.25%-0.16%N/A
20170.01%0.12%0.28%0.39%
2016-0.16%0.10%0.22%0.29%
20151.19%-0.36%-0.18%0.26%
20140.67%0.64%0.42%-0.34%
20130.37%0.31%0.64%0.74%
20121.87%-0.14%1.48%0.90%
20110.61%0.03%0.01%0.87%
20101.36%0.03%0.23%-0.03%
20091.34%1.86%1.27%0.40%
20080.00%-0.26%1.07%1.15%
20070.45%-0.55%0.84%0.73%
20060.09%N/AN/AN/A