2000

6.4

1972

6.2

2007

7.2

1970

1.0

2013

2.9

1957

7.0

2009

6.2

1988

5.4

1990

3.9

1944

6.9

1948

6.2

1945

5.2

1980

7.0

2007

5.4

2000

3.9

1946

7.0

1987

6.6

1982

5.3

2017

5.1

1959

4.3