1995

7.3

1959

7.3

1950

8.1

2005

7.5

1998

8.3

2004

7.8

2006

6.8

2006

6.7

1989

0.0

1986

7.3

2016

7.7

1955

7.2

2001

7.4

1954

7.9

1997

5.8

1989

6.3

1930

7.3

1982

7.8

1994

8.7

1943

8.2