2005

6.7

1991

7.6

2005

6.3

2006

7.5

2002

6.3

1959

8.0

1990

7.4

2016

5.0

1956

7.5

2005

7.1

1962

7.0

1963

7.1

1967

6.6

1974

6.4

1977

6.8

1981

6.5

1987

6.5

2006

6.6

2007

6.1

1995

6.0