2004

6.9

1968

5.0

2020

7.2

1975

6.4

2019

8.1

1999

8.4

1980

8.2

1958

8.2

2016

7.0

2023

7.6

1978

7.6

1994

7.5

1960

7.2

2000

8.1

1972

8.7

1987

7.5

1998

8.1

2008

8.5

2022

6.8

1984

7.5