1996

6.1

1998

7.2

1989

7.2

1990

7.3

2014

3.0

2019

10.0

1973

5.9

1962

7.2

1931

0.0

2007

2.0

2018

7.2

1967

0.0

1960

6.2

1991

6.9

1968

7.4

1943

6.9

1976

0.0

1988

6.2

2008

3.4

1948

0.0