1933

7.0

1998

6.8

1980

4.8

1970

7.3

1960

6.4

1967

7.4

2016

7.5

2019

8.2

2018

7.8

2019

7.2

2019

6.7

2019

7.0

2022

4.5

2014

8.0

2008

5.1

2007

6.5

1992

9.0

1958

6.0

2024

0.0

2023

6.0