2006

6.8

1990

6.7

2013

5.5

2009

5.4

2016

5.8

1945

0.0

1960

0.0

1946

5.9

1999

6.3

1956

6.1

1963

7.3

1982

6.9

1951

0.0

1942

6.0

1944

0.0

1949

5.7

1947

5.0

2000

7.3

1987

6.1

1985

7.0