1988

6.5

1954

8.4

1978

7.5

2006

6.1

2012

6.9

2002

8.4

2008

8.5

1948

7.9

2009

7.2

1971

8.2

1994

8.5

1973

7.8

2014

8.2

2014

7.9

1972

7.4

1968

8.1

1986

8.0

2003

8.3

1944

8.1

1995

8.0