1978

4.8

2016

4.4

1985

5.4

2019

5.4

1975

5.5

2014

4.0

1969

7.0

1976

5.2

1991

6.4

1977

4.2

2020

2.0

1977

7.5

2024

2.0

1978

4.9

1975

6.0

0.0

2015

4.1