1972

5.3

1976

5.1

2011

7.3

1999

8.0

2019

8.1

2008

8.1

1986

7.8

2024

7.0

1997

7.9

2018

7.6

1983

7.3

2018

8.2

1990

6.1

1996

7.8

2000

8.2

1931

8.3

1976

7.8

1987

7.3

1985

7.7

1950

8.3