2005

7.0

1947

6.5

1950

8.3

1998

6.4

1997

7.6

1997

6.3

1949

6.9

1967

6.8

1946

7.5

2008

1.0

1995

7.2

2006

6.7

2014

6.5

2004

8.1

2002

7.6

1959

7.8

2004

7.4

2001

6.4

2005

4.6

1932

6.0