变量		A-D-F t-Statistic	Test critical values			平稳性
变量		A-D-F t-Statistic	1% level	5% level	10% level	平稳性
RESID	Constant	−4.369793	−3.769597	−3.004861	−2.642242	平稳
RESID	Constant Linear Trend	−4.057997	−4.667883	−3.733200	−3.310349	平稳