Test

Hypothesis

Critical Values

Seasonal Differencing

Order 0

Order 12

KPSS

H0: Stationary

H1: Not Stationary

10%

0.3470

1.1768

0.1129

5%

0.4630

1%

0.7390

ADF

H0: Not Stationary

H1: Stationary

10%

1.6100

1.4221

5.4321

5%

1.9500

1%

2.6000