2004

5.9

1972

6.7

1976

6.7

2005

6.3

1979

7.5

2003

7.1

2008

7.2

0.0

1955

6.4

1938

6.2

1951

6.3

1999

6.6

1960

0.0

1992

6.0

2015

5.4

2005

5.5

1962

7.4

1993

7.5

1937

4.7

1935

7.4