2006

7.5

1970

7.3

2005

6.7

1963

7.0

2001

6.0

2007

6.3

1994

4.1

2006

4.6

1936

0.0

2005

6.1

2000

7.1

1973

6.1

1964

6.4

2007

6.1

1969

7.8

1956

7.3

1962

6.2

1972

5.8

1933

5.5

2014

6.4