1990

6.5

1951

6.0

1946

6.0

2006

7.5

1939

2.0

2003

7.7

1982

6.5

1995

7.0

1998

0.0

2002

0.0

2000

5.7

2014

6.2

1999

6.3

1980

6.3

1980

6.4

2002

6.9

2001

4.8

1930

6.1

1944

7.0

1968

6.0