1943

8.2

1945

8.0

1976

7.2

2004

6.9

1998

8.3

2016

5.1

2001

5.0

1998

7.4

2004

7.0

1992

6.6

1989

6.4

2005

7.1

1990

6.6

1982

6.9

1948

7.7

1963

7.0

2007

6.2

2002

7.0

2004

7.9

1997

8.4