2005

6.8

1984

6.0

1944

7.2

1947

6.0

1946

6.0

1969

6.0

1973

7.4

1998

5.5

1992

7.4

1944

7.6

2006

6.6

2007

7.5

2003

6.3

1995

6.5

2002

6.3

1990

6.7

2006

6.0

2002

5.3

2001

6.3

2003

7.2