2005

7.0

2001

7.4

1969

7.1

1953

7.7

1971

6.4

1997

7.6

1991

7.4

1999

7.6

2001

7.1

1983

0.0

2019

6.8

2012

0.0

1985

7.0

1977

6.8

2002

7.6

1969

5.0

1999

6.5

1992

5.6

2010

5.5

2013

5.5