YearQ1Q2Q3Q4
2018-0.56%-0.57%0.08%N/A
20170.08%0.24%0.65%-0.24%
20160.25%0.66%0.41%-0.24%
20150.66%-0.49%-0.57%0.25%
20140.33%0.49%-0.24%-0.16%
20130.16%-2.04%0.67%0.33%
20121.62%0.76%1.83%0.25%
20110.51%0.51%-1.60%0.60%
20101.41%0.43%1.99%-0.68%
20091.64%3.89%3.01%0.71%
20081.15%-0.38%-2.94%1.47%
20072.05%N/AN/AN/A