求stata如何t检验一组数据是否显著异于0？

-2.75%
-6.11%
-10.53%
-13.81%
-13.17%
-12.76%
-15.97%
-12.42%
-14.16%
-14.05%
-14.60%
-14.02%
-15.80%
-16.05%
-14.38%
-14.55%
-5.93%
-4.20%
-0.71%
0.39%
2.43%

求求求