年份第 1 季第 2 季第 3 季第 4 季
2018-5.49%4.78%2.78%無
20174.83%1.66%1.07%4.55%
2016-5.54%-0.39%5.87%5.90%
201513.96%-1.86%-11.58%10.29%
2014-0.28%4.34%4.86%6.47%
20136.86%-2.81%4.90%5.44%
201212.52%-6.25%6.67%0.24%
2011-1.89%-2.37%-14.73%5.03%
20106.61%-2.99%1.36%10.59%
2009-2.06%15.88%14.36%6.32%
2008-17.04%-2.42%-10.47%-24.04%
2007-1.58%-1.75%無無