1949

6.2

2020

6.4

2011

7.5

2003

4.0

2019

6.1

2014

5.9

1972

6.3

1985

6.1

1991

5.7

1995

5.6

2023

6.4

2022

6.0

1974

6.3

2011

6.8

2008

6.7

1988

5.4

2006

5.4

2006

6.3

2020

6.7