年份第 1 季第 2 季第 3 季第 4 季
2018-2.55%3.37%1.29%無
20176.54%1.78%2.79%2.75%
2016-6.45%0.03%5.91%3.49%
201516.08%-2.44%-7.57%8.25%
20142.27%2.93%0.63%3.22%
20137.11%0.25%6.36%5.34%
201210.25%-5.05%7.37%2.85%
20110.04%-1.39%-16.17%5.72%
20105.53%-5.43%4.78%7.84%
2009-6.63%13.10%12.17%2.70%
2008-11.65%-3.13%-9.21%-16.28%
20072.00%4.16%-3.76%-3.89%
20064.26%4.92%無無