1996

6.5

2022

6.5

2010

8.2

1997

7.3

2007

6.3

1964

7.3

1976

7.6

1991

6.4

1999

5.5

1998

8.3

2008

6.1

2001

6.5

2000

6.1

2020

6.8

2010

6.1

2021

6.3

2019

5.7

1985

4.4

1960

8.4

1958

8.2