2006

5.4

1956

6.5

2007

7.6

2007

7.2

1987

6.9

2002

5.9

1999

6.8

1997

7.8

2000

6.5

1954

7.3

2002

7.0

2002

7.4

1999

5.9

1965

0.0

1948

7.7

1947

5.2

2015

5.6

2018

6.8

1962

7.4

1931

7.2