YearQ1Q2Q3Q4
2018-0.29%-0.48%0.19%N/A
20170.29%0.29%0.77%-0.10%
20160.40%0.79%0.59%-0.10%
20150.69%-0.30%-0.49%0.50%
20140.40%0.60%0.00%0.00%
20130.30%-1.79%0.71%0.60%
20121.83%0.25%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