0.0

1978

7.4

1939

7.6

1962

0.0

1956

5.3

2007

7.4

2006

3.0

1961

7.3

1985

6.3

2005

6.8

1937

6.0

2013

7.0

1949

7.2

2004

5.2

1997

6.7

1956

6.9

1989

6.9

2000

7.0

1997

5.9

2017

10.0