| Hubert Test | Buishand Test |
| |||
H0 | Break Date | H0 | Break Date | Series Conclusion | ||
Pmin | Rejected | 1958 | Rejected | 1958 | Non-homogeneous | |
Pmax | Rejected | 1967 | Rejected | 1967 | Non-homogeneous | |
Pampl | Rejected | 1967 | Rejected | 1967 | Non-homogeneous | |
Pmoy | Rejected | 1969 | Rejected | 1969 | Non-homogeneous |