2008

8.5

1972

8.7

1974

8.6

1990

7.4

1995

8.0

1997

7.0

1990

8.5

1931

8.1

1968

7.1

1989

7.2

1990

7.5

2003

6.1

2019

6.8

1960

7.2

2020

0.0

2006

8.2

1986

5.8

1999

6.8

1997

6.8

2019

6.6