2009

7.0

1989

7.7

2001

7.9

2019

0.0

2017

6.6

2020

5.2

1994

7.5

2010

5.6

2007

7.6

1988

6.8

1990

6.9

1970

7.3

2009

5.5

1989

8.3

1948

7.9

1962

7.7

1995

7.0

1974

5.5

2001

6.0

2006

0.0