2020

6.7

1968

6.9

1978

8.0

1984

7.2

2024

7.0

1974

6.6

1996

7.3

1987

6.9

2005

4.3

2013

7.6

1970

7.1

1980

6.3

2012

5.8

1997

7.6

1981

7.0

1968

6.8

1987

6.8

1990

6.5

1977

6.7

1964

6.8