1938

8.0

1985

6.1

2019

6.7

2015

6.5

1992

6.5

1980

6.4

1989

5.5

2023

6.7

1985

6.9

1995

5.6

2023

6.4

2021

6.1

2023

6.4

2011

6.7

2005

5.2

1976

7.5

2020

6.8

1975

6.9

2011

6.7

2010

7.0