2010

6.6

2018

7.2

2015

6.1

2024

7.3

2007

6.7

1970

7.4

1993

6.3

2019

6.7

2004

5.8

1947

7.0

2023

6.1

1970

7.6

2020

6.0

1981

5.9

1990

6.3

1985

6.4

1993

7.2

1987

4.5

2011

5.5

2006

6.8