2007

7.9

1993

6.1

1992

6.2

2003

7.0

1966

0.0

1985

7.2

2007

6.6

2017

6.3

1988

6.9

1993

6.2

1972

7.3

1970

6.5

1926

7.9

1979

7.5

2002

6.4

1951

7.1

1983

6.6

1985

7.0

1956

6.7

1980

4.8