2004

6.8

1959

6.1

1929

5.6

1986

2.7

2011

4.6

1968

0.0

1935

7.3

1942

7.0

1954

7.1

1999

6.8

2013

6.5

1936

4.0

1943

4.5

2004

6.4

2007

6.8

1993

7.9

2004

7.4

2003

7.4

1982

6.4

2005

7.6