2019

6.8

2017

6.3

1974

5.8

1973

6.0

1968

5.4

1988

3.8

1971

6.2

1981

5.5

1957

6.1

2020

4.8

2021

6.4

2021

5.8

2025

0.0

2024

6.9

1970

7.2

1977

6.1

2009

7.5

1970

4.9

2017

7.5

1979

5.4