Null Hypothesis: D (DFDI) Has a Unit Root

Exogenous: None

Lag Length: 0 (Automatic Based on SIC, MAXLAG = 1)

t-Statistic

Prob.

Augmented Dickey-Fuller Test Statistic

−3.624042

0.0025

Test Critical Values:

1% Level

−2.847250

5% Level

−1.988198

10% Level

−1.600140