Null Hypothesis: INF has a unit root

Exogenous: Constant

Lag Length: 1 (Automatic - based on AIC, maxlag=9)

t-Statistic

  Prob.*

Augmented Dickey-Fuller test statistic

-4.578760

 0.0006

Test critical values:

1% level

-3.581152

5% level

-2.926622

10% level

-2.601424

*MacKinnon (1996) one-sided p-values.