6.3

2003

6.3

2010

5.8

2006

6.4

2023

7.4

2009

6.4

1970

7.7

1995

7.0

2007

6.2

2022

8.0

1973

7.1

2017

9.5

1963

7.4

2009

7.5

1959

8.1

1992

6.6

1993

5.4

2019

8.5

1939

7.5

1968

6.0