1982

5.5

2016

3.5

2005

7.1

2006

7.8

1982

5.0

1988

8.0

1984

5.9

1970

0.0

1990

7.7

1963

0.0

2007

6.8

1982

5.0

1964

6.2

2017

6.8

2006

6.7

1968

0.0

1973

7.5

1932

6.0

2007

5.0

1968

7.6