2014

4.4

1996

5.8

2004

5.9

1965

7.2

2008

6.7

1985

6.7

1951

5.7

2008

7.3

1957

6.6

2000

7.7

1975

7.1

1993

6.9

1972

5.2

1980

5.0

2001

0.0

1978

7.2

2003

7.0

1944

6.2

1999

5.5

2004

6.0