2005

7.5

1978

6.9

1973

8.0

1996

5.3

1987

4.3

1998

7.9

2018

1.0

1980

0.0

1999

7.3

2012

0.0

2013

5.8

1955

6.5

2013

6.5

2007

8.3

1977

7.3

1977

5.5

1953

6.5

2001

6.0

1993

8.0

1989

7.0