1990

7.7

1971

7.5

2013

5.5

1983

0.0

2006

6.6

2006

7.8

1951

6.1

1984

7.0

1978

0.0

1999

0.0

2006

6.2

1973

0.0

1977

6.7

1995

6.5

2017

6.2

1992

0.0

1974

0.0

2007

6.8

1932

6.0

1997

8.5